82151820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 240

約数和(自身を含む): 289064160

約数和(自身を除く): 206912340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 81, 85, 90, 95, 102, 108, 114, 135, 153, 157, 162, 170, 171, 180, 190, 204, 228, 255, 270, 285, 306, 314, 323, 324, 340, 342, 380, 405, 459, 471, 510, 513, 540, 570, 612, 628, 646, 684, 765, 785, 810, 855, 918, 942, 969, 1020, 1026, 1140, 1292, 1377, 1413, 1530, 1539, 1570, 1615, 1620, 1710, 1836, 1884, 1938, 2052, 2295, 2355, 2565, 2669, 2754, 2826, 2907, 2983, 3060, 3078, 3140, 3230, 3420, 3876, 4239, 4590, 4710, 4845, 5130, 5338, 5508, 5652, 5814, 5966, 6156, 6460, 6885, 7065, 7695, 8007, 8478, 8721, 8949, 9180, 9420, 9690, 10260, 10676, 11628, 11932, 12717, 13345, 13770, 14130, 14535, 14915, 15390, 16014, 16956, 17442, 17898, 19380, 21195, 24021, 25434, 26163, 26690, 26847, 27540, 28260, 29070, 29830, 30780, 32028, 34884, 35796, 40035, 42390, 43605, 44745, 48042, 50711, 50868, 52326, 53380, 53694, 58140, 59660, 63585, 72063, 80070, 80541, 84780, 87210, 89490, 96084, 101422, 104652, 107388, 120105, 127170, 130815, 134235, 144126, 152133, 160140, 161082, 174420, 178980, 202844, 216189, 240210, 241623, 253555, 254340, 261630, 268470, 288252, 304266, 322164, 360315, 402705, 432378, 456399, 480420, 483246, 507110, 523260, 536940, 608532, 720630, 760665, 805410, 864756, 912798, 966492, 1014220, 1080945, 1208115, 1369197, 1441260, 1521330, 1610820, 1825596, 2161890, 2281995, 2416230, 2738394, 3042660, 4107591, 4323780, 4563990, 4832460, 5476788, 6845985, 8215182, 9127980, 13691970, 16430364, 20537955, 27383940, 41075910, 82151820]

約数ペア:

[(1, 82151820), (2, 41075910), (3, 27383940), (4, 20537955), (5, 16430364), (6, 13691970), (9, 9127980), (10, 8215182), (12, 6845985), (15, 5476788), (17, 4832460), (18, 4563990), (19, 4323780), (20, 4107591), (27, 3042660), (30, 2738394), (34, 2416230), (36, 2281995), (38, 2161890), (45, 1825596), (51, 1610820), (54, 1521330), (57, 1441260), (60, 1369197), (68, 1208115), (76, 1080945), (81, 1014220), (85, 966492), (90, 912798), (95, 864756), (102, 805410), (108, 760665), (114, 720630), (135, 608532), (153, 536940), (157, 523260), (162, 507110), (170, 483246), (171, 480420), (180, 456399), (190, 432378), (204, 402705), (228, 360315), (255, 322164), (270, 304266), (285, 288252), (306, 268470), (314, 261630), (323, 254340), (324, 253555), (340, 241623), (342, 240210), (380, 216189), (405, 202844), (459, 178980), (471, 174420), (510, 161082), (513, 160140), (540, 152133), (570, 144126), (612, 134235), (628, 130815), (646, 127170), (684, 120105), (765, 107388), (785, 104652), (810, 101422), (855, 96084), (918, 89490), (942, 87210), (969, 84780), (1020, 80541), (1026, 80070), (1140, 72063), (1292, 63585), (1377, 59660), (1413, 58140), (1530, 53694), (1539, 53380), (1570, 52326), (1615, 50868), (1620, 50711), (1710, 48042), (1836, 44745), (1884, 43605), (1938, 42390), (2052, 40035), (2295, 35796), (2355, 34884), (2565, 32028), (2669, 30780), (2754, 29830), (2826, 29070), (2907, 28260), (2983, 27540), (3060, 26847), (3078, 26690), (3140, 26163), (3230, 25434), (3420, 24021), (3876, 21195), (4239, 19380), (4590, 17898), (4710, 17442), (4845, 16956), (5130, 16014), (5338, 15390), (5508, 14915), (5652, 14535), (5814, 14130), (5966, 13770), (6156, 13345), (6460, 12717), (6885, 11932), (7065, 11628), (7695, 10676), (8007, 10260), (8478, 9690), (8721, 9420), (8949, 9180)]