21720164310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3023}}^1$

素因数の和:3164

約数の個数: 256

約数和(自身を含む): 65840947200

約数和(自身を除く): 44120782890

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 30, 39, 45, 46, 54, 65, 69, 78, 89, 90, 115, 117, 130, 135, 138, 178, 195, 207, 230, 234, 267, 270, 299, 345, 351, 390, 414, 445, 534, 585, 598, 621, 690, 702, 801, 890, 897, 1035, 1157, 1170, 1242, 1335, 1495, 1602, 1755, 1794, 2047, 2070, 2314, 2403, 2670, 2691, 2990, 3023, 3105, 3471, 3510, 4005, 4094, 4485, 4806, 5382, 5785, 6046, 6141, 6210, 6942, 8010, 8073, 8970, 9069, 10235, 10413, 11570, 12015, 12282, 13455, 15115, 16146, 17355, 18138, 18423, 20470, 20826, 24030, 26611, 26910, 27207, 30230, 30705, 31239, 34710, 36846, 39299, 40365, 45345, 52065, 53222, 54414, 55269, 61410, 62478, 69529, 78598, 79833, 80730, 81621, 90690, 92115, 104130, 110538, 117897, 133055, 136035, 139058, 156195, 159666, 163242, 184230, 196495, 208587, 235794, 239499, 266110, 269047, 272070, 276345, 312390, 347645, 353691, 392990, 399165, 408105, 417174, 478998, 538094, 552690, 589485, 625761, 695290, 707382, 718497, 798330, 807141, 816210, 903877, 1042935, 1061073, 1178970, 1197495, 1251522, 1345235, 1436994, 1614282, 1768455, 1807754, 1877283, 2085870, 2122146, 2394990, 2421423, 2690470, 2711631, 3128805, 3497611, 3536910, 3592485, 3754566, 4035705, 4519385, 4842846, 5305365, 5423262, 6188081, 6257610, 6995222, 7184970, 7264269, 8071410, 8134893, 9038770, 9386415, 10492833, 10610730, 12107115, 12376162, 13558155, 14528538, 16269786, 17488055, 18564243, 18772830, 20985666, 24214230, 24404679, 27116310, 30940405, 31478499, 34976110, 36321345, 37128486, 40674465, 48809358, 52464165, 55692729, 61880810, 62956998, 72642690, 80445053, 81348930, 92821215, 94435497, 104928330, 111385458, 122023395, 157392495, 160890106, 167078187, 185642430, 188870994, 241335159, 244046790, 278463645, 314784990, 334156374, 402225265, 472177485, 482670318, 556927290, 724005477, 804450530, 835390935, 944354970, 1206675795, 1448010954, 1670781870, 2172016431, 2413351590, 3620027385, 4344032862, 7240054770, 10860082155, 21720164310]

約数ペア:

[(1, 21720164310), (2, 10860082155), (3, 7240054770), (5, 4344032862), (6, 3620027385), (9, 2413351590), (10, 2172016431), (13, 1670781870), (15, 1448010954), (18, 1206675795), (23, 944354970), (26, 835390935), (27, 804450530), (30, 724005477), (39, 556927290), (45, 482670318), (46, 472177485), (54, 402225265), (65, 334156374), (69, 314784990), (78, 278463645), (89, 244046790), (90, 241335159), (115, 188870994), (117, 185642430), (130, 167078187), (135, 160890106), (138, 157392495), (178, 122023395), (195, 111385458), (207, 104928330), (230, 94435497), (234, 92821215), (267, 81348930), (270, 80445053), (299, 72642690), (345, 62956998), (351, 61880810), (390, 55692729), (414, 52464165), (445, 48809358), (534, 40674465), (585, 37128486), (598, 36321345), (621, 34976110), (690, 31478499), (702, 30940405), (801, 27116310), (890, 24404679), (897, 24214230), (1035, 20985666), (1157, 18772830), (1170, 18564243), (1242, 17488055), (1335, 16269786), (1495, 14528538), (1602, 13558155), (1755, 12376162), (1794, 12107115), (2047, 10610730), (2070, 10492833), (2314, 9386415), (2403, 9038770), (2670, 8134893), (2691, 8071410), (2990, 7264269), (3023, 7184970), (3105, 6995222), (3471, 6257610), (3510, 6188081), (4005, 5423262), (4094, 5305365), (4485, 4842846), (4806, 4519385), (5382, 4035705), (5785, 3754566), (6046, 3592485), (6141, 3536910), (6210, 3497611), (6942, 3128805), (8010, 2711631), (8073, 2690470), (8970, 2421423), (9069, 2394990), (10235, 2122146), (10413, 2085870), (11570, 1877283), (12015, 1807754), (12282, 1768455), (13455, 1614282), (15115, 1436994), (16146, 1345235), (17355, 1251522), (18138, 1197495), (18423, 1178970), (20470, 1061073), (20826, 1042935), (24030, 903877), (26611, 816210), (26910, 807141), (27207, 798330), (30230, 718497), (30705, 707382), (31239, 695290), (34710, 625761), (36846, 589485), (39299, 552690), (40365, 538094), (45345, 478998), (52065, 417174), (53222, 408105), (54414, 399165), (55269, 392990), (61410, 353691), (62478, 347645), (69529, 312390), (78598, 276345), (79833, 272070), (80730, 269047), (81621, 266110), (90690, 239499), (92115, 235794), (104130, 208587), (110538, 196495), (117897, 184230), (133055, 163242), (136035, 159666), (139058, 156195)]