86921580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4013}}^1$

素因数の和:4063

約数の個数: 72

約数和(自身を含む): 256928112

約数和(自身を除く): 170006532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1805, 2166, 3610, 4013, 4332, 5415, 7220, 8026, 10830, 12039, 16052, 20065, 21660, 24078, 40130, 48156, 60195, 76247, 80260, 120390, 152494, 228741, 240780, 304988, 381235, 457482, 762470, 914964, 1143705, 1448693, 1524940, 2287410, 2897386, 4346079, 4574820, 5794772, 7243465, 8692158, 14486930, 17384316, 21730395, 28973860, 43460790, 86921580]

約数ペア:

[(1, 86921580), (2, 43460790), (3, 28973860), (4, 21730395), (5, 17384316), (6, 14486930), (10, 8692158), (12, 7243465), (15, 5794772), (19, 4574820), (20, 4346079), (30, 2897386), (38, 2287410), (57, 1524940), (60, 1448693), (76, 1143705), (95, 914964), (114, 762470), (190, 457482), (228, 381235), (285, 304988), (361, 240780), (380, 228741), (570, 152494), (722, 120390), (1083, 80260), (1140, 76247), (1444, 60195), (1805, 48156), (2166, 40130), (3610, 24078), (4013, 21660), (4332, 20065), (5415, 16052), (7220, 12039), (8026, 10830)]