178020180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 614718720

約数和(自身を除く): 436698540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 79, 81, 90, 107, 108, 117, 130, 135, 156, 158, 162, 180, 195, 214, 234, 237, 260, 270, 316, 321, 324, 351, 390, 395, 405, 428, 468, 474, 535, 540, 585, 642, 702, 711, 780, 790, 810, 948, 963, 1027, 1053, 1070, 1170, 1185, 1284, 1391, 1404, 1422, 1580, 1605, 1620, 1755, 1926, 2054, 2106, 2133, 2140, 2340, 2370, 2782, 2844, 2889, 3081, 3210, 3510, 3555, 3852, 4108, 4173, 4212, 4266, 4740, 4815, 5135, 5265, 5564, 5778, 6162, 6399, 6420, 6955, 7020, 7110, 8346, 8453, 8532, 8667, 9243, 9630, 10270, 10530, 10665, 11556, 12324, 12519, 12798, 13910, 14220, 14445, 15405, 16692, 16906, 17334, 18486, 19260, 20540, 20865, 21060, 21330, 25038, 25359, 25596, 27729, 27820, 28890, 30810, 31995, 33812, 34668, 36972, 37557, 41730, 42265, 42660, 43335, 46215, 50076, 50718, 55458, 57780, 61620, 62595, 63990, 75114, 76077, 83187, 83460, 84530, 86670, 92430, 101436, 109889, 110916, 112671, 125190, 126795, 127980, 138645, 150228, 152154, 166374, 169060, 173340, 184860, 187785, 219778, 225342, 228231, 250380, 253590, 277290, 304308, 329667, 332748, 375570, 380385, 415935, 439556, 450684, 456462, 507180, 549445, 554580, 563355, 659334, 684693, 751140, 760770, 831870, 912924, 989001, 1098890, 1126710, 1141155, 1318668, 1369386, 1521540, 1648335, 1663740, 1978002, 2197780, 2253420, 2282310, 2738772, 2967003, 3296670, 3423465, 3956004, 4564620, 4945005, 5934006, 6593340, 6846930, 8901009, 9890010, 11868012, 13693860, 14835015, 17802018, 19780020, 29670030, 35604036, 44505045, 59340060, 89010090, 178020180]

約数ペア:

[(1, 178020180), (2, 89010090), (3, 59340060), (4, 44505045), (5, 35604036), (6, 29670030), (9, 19780020), (10, 17802018), (12, 14835015), (13, 13693860), (15, 11868012), (18, 9890010), (20, 8901009), (26, 6846930), (27, 6593340), (30, 5934006), (36, 4945005), (39, 4564620), (45, 3956004), (52, 3423465), (54, 3296670), (60, 2967003), (65, 2738772), (78, 2282310), (79, 2253420), (81, 2197780), (90, 1978002), (107, 1663740), (108, 1648335), (117, 1521540), (130, 1369386), (135, 1318668), (156, 1141155), (158, 1126710), (162, 1098890), (180, 989001), (195, 912924), (214, 831870), (234, 760770), (237, 751140), (260, 684693), (270, 659334), (316, 563355), (321, 554580), (324, 549445), (351, 507180), (390, 456462), (395, 450684), (405, 439556), (428, 415935), (468, 380385), (474, 375570), (535, 332748), (540, 329667), (585, 304308), (642, 277290), (702, 253590), (711, 250380), (780, 228231), (790, 225342), (810, 219778), (948, 187785), (963, 184860), (1027, 173340), (1053, 169060), (1070, 166374), (1170, 152154), (1185, 150228), (1284, 138645), (1391, 127980), (1404, 126795), (1422, 125190), (1580, 112671), (1605, 110916), (1620, 109889), (1755, 101436), (1926, 92430), (2054, 86670), (2106, 84530), (2133, 83460), (2140, 83187), (2340, 76077), (2370, 75114), (2782, 63990), (2844, 62595), (2889, 61620), (3081, 57780), (3210, 55458), (3510, 50718), (3555, 50076), (3852, 46215), (4108, 43335), (4173, 42660), (4212, 42265), (4266, 41730), (4740, 37557), (4815, 36972), (5135, 34668), (5265, 33812), (5564, 31995), (5778, 30810), (6162, 28890), (6399, 27820), (6420, 27729), (6955, 25596), (7020, 25359), (7110, 25038), (8346, 21330), (8453, 21060), (8532, 20865), (8667, 20540), (9243, 19260), (9630, 18486), (10270, 17334), (10530, 16906), (10665, 16692), (11556, 15405), (12324, 14445), (12519, 14220), (12798, 13910)]