40128301980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{123373}}^1$

素因数の和:123540

約数の個数: 144

約数和(自身を含む): 132029919840

約数和(自身を除く): 91901617860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 139, 156, 180, 195, 234, 260, 278, 390, 417, 468, 556, 585, 695, 780, 834, 1170, 1251, 1390, 1668, 1807, 2085, 2340, 2502, 2780, 3614, 4170, 5004, 5421, 6255, 7228, 8340, 9035, 10842, 12510, 16263, 18070, 21684, 25020, 27105, 32526, 36140, 54210, 65052, 81315, 108420, 123373, 162630, 246746, 325260, 370119, 493492, 616865, 740238, 1110357, 1233730, 1480476, 1603849, 1850595, 2220714, 2467460, 3207698, 3701190, 4441428, 4811547, 5551785, 6415396, 7402380, 8019245, 9623094, 11103570, 14434641, 16038490, 17148847, 19246188, 22207140, 24057735, 28869282, 32076980, 34297694, 48115470, 51446541, 57738564, 68595388, 72173205, 85744235, 96230940, 102893082, 144346410, 154339623, 171488470, 205786164, 222935011, 257232705, 288692820, 308679246, 342976940, 445870022, 514465410, 617358492, 668805033, 771698115, 891740044, 1028930820, 1114675055, 1337610066, 1543396230, 2006415099, 2229350110, 2675220132, 3086792460, 3344025165, 4012830198, 4458700220, 6688050330, 8025660396, 10032075495, 13376100660, 20064150990, 40128301980]

約数ペア:

[(1, 40128301980), (2, 20064150990), (3, 13376100660), (4, 10032075495), (5, 8025660396), (6, 6688050330), (9, 4458700220), (10, 4012830198), (12, 3344025165), (13, 3086792460), (15, 2675220132), (18, 2229350110), (20, 2006415099), (26, 1543396230), (30, 1337610066), (36, 1114675055), (39, 1028930820), (45, 891740044), (52, 771698115), (60, 668805033), (65, 617358492), (78, 514465410), (90, 445870022), (117, 342976940), (130, 308679246), (139, 288692820), (156, 257232705), (180, 222935011), (195, 205786164), (234, 171488470), (260, 154339623), (278, 144346410), (390, 102893082), (417, 96230940), (468, 85744235), (556, 72173205), (585, 68595388), (695, 57738564), (780, 51446541), (834, 48115470), (1170, 34297694), (1251, 32076980), (1390, 28869282), (1668, 24057735), (1807, 22207140), (2085, 19246188), (2340, 17148847), (2502, 16038490), (2780, 14434641), (3614, 11103570), (4170, 9623094), (5004, 8019245), (5421, 7402380), (6255, 6415396), (7228, 5551785), (8340, 4811547), (9035, 4441428), (10842, 3701190), (12510, 3207698), (16263, 2467460), (18070, 2220714), (21684, 1850595), (25020, 1603849), (27105, 1480476), (32526, 1233730), (36140, 1110357), (54210, 740238), (65052, 616865), (81315, 493492), (108420, 370119), (123373, 325260), (162630, 246746)]