72813420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13049}}^1$

素因数の和:13095

約数の個数: 72

約数和(自身を含む): 228009600

約数和(自身を除く): 155196180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 13049, 26098, 39147, 52196, 65245, 78294, 117441, 130490, 156588, 195735, 234882, 260980, 391470, 404519, 469764, 587205, 782940, 809038, 1174410, 1213557, 1618076, 2022595, 2348820, 2427114, 3640671, 4045190, 4854228, 6067785, 7281342, 8090380, 12135570, 14562684, 18203355, 24271140, 36406710, 72813420]

約数ペア:

[(1, 72813420), (2, 36406710), (3, 24271140), (4, 18203355), (5, 14562684), (6, 12135570), (9, 8090380), (10, 7281342), (12, 6067785), (15, 4854228), (18, 4045190), (20, 3640671), (30, 2427114), (31, 2348820), (36, 2022595), (45, 1618076), (60, 1213557), (62, 1174410), (90, 809038), (93, 782940), (124, 587205), (155, 469764), (180, 404519), (186, 391470), (279, 260980), (310, 234882), (372, 195735), (465, 156588), (558, 130490), (620, 117441), (930, 78294), (1116, 65245), (1395, 52196), (1860, 39147), (2790, 26098), (5580, 13049)]