154272780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 499699200

約数和(自身を除く): 345426420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 285, 316, 342, 380, 395, 474, 570, 571, 684, 711, 790, 855, 948, 1140, 1142, 1185, 1422, 1501, 1580, 1710, 1713, 2284, 2370, 2844, 2855, 3002, 3420, 3426, 3555, 4503, 4740, 5139, 5710, 6004, 6852, 7110, 7505, 8565, 9006, 10278, 10849, 11420, 13509, 14220, 15010, 17130, 18012, 20556, 21698, 22515, 25695, 27018, 30020, 32547, 34260, 43396, 45030, 45109, 51390, 54036, 54245, 65094, 67545, 90060, 90218, 97641, 102780, 108490, 130188, 135090, 135327, 162735, 180436, 195282, 216980, 225545, 270180, 270654, 325470, 390564, 405981, 451090, 488205, 541308, 650940, 676635, 811962, 857071, 902180, 976410, 1353270, 1623924, 1714142, 1952820, 2029905, 2571213, 2706540, 3428284, 4059810, 4285355, 5142426, 7713639, 8119620, 8570710, 10284852, 12856065, 15427278, 17141420, 25712130, 30854556, 38568195, 51424260, 77136390, 154272780]

約数ペア:

[(1, 154272780), (2, 77136390), (3, 51424260), (4, 38568195), (5, 30854556), (6, 25712130), (9, 17141420), (10, 15427278), (12, 12856065), (15, 10284852), (18, 8570710), (19, 8119620), (20, 7713639), (30, 5142426), (36, 4285355), (38, 4059810), (45, 3428284), (57, 2706540), (60, 2571213), (76, 2029905), (79, 1952820), (90, 1714142), (95, 1623924), (114, 1353270), (158, 976410), (171, 902180), (180, 857071), (190, 811962), (228, 676635), (237, 650940), (285, 541308), (316, 488205), (342, 451090), (380, 405981), (395, 390564), (474, 325470), (570, 270654), (571, 270180), (684, 225545), (711, 216980), (790, 195282), (855, 180436), (948, 162735), (1140, 135327), (1142, 135090), (1185, 130188), (1422, 108490), (1501, 102780), (1580, 97641), (1710, 90218), (1713, 90060), (2284, 67545), (2370, 65094), (2844, 54245), (2855, 54036), (3002, 51390), (3420, 45109), (3426, 45030), (3555, 43396), (4503, 34260), (4740, 32547), (5139, 30020), (5710, 27018), (6004, 25695), (6852, 22515), (7110, 21698), (7505, 20556), (8565, 18012), (9006, 17130), (10278, 15010), (10849, 14220), (11420, 13509)]