90145800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:904

約数の個数: 144

約数和(自身を含む): 308077380

約数和(自身を除く): 217931580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 61, 72, 75, 90, 100, 120, 122, 150, 180, 183, 200, 225, 244, 300, 305, 360, 366, 450, 488, 549, 600, 610, 732, 821, 900, 915, 1098, 1220, 1464, 1525, 1642, 1800, 1830, 2196, 2440, 2463, 2745, 3050, 3284, 3660, 4105, 4392, 4575, 4926, 5490, 6100, 6568, 7320, 7389, 8210, 9150, 9852, 10980, 12200, 12315, 13725, 14778, 16420, 18300, 19704, 20525, 21960, 24630, 27450, 29556, 32840, 36600, 36945, 41050, 49260, 50081, 54900, 59112, 61575, 73890, 82100, 98520, 100162, 109800, 123150, 147780, 150243, 164200, 184725, 200324, 246300, 250405, 295560, 300486, 369450, 400648, 450729, 492600, 500810, 600972, 738900, 751215, 901458, 1001620, 1201944, 1252025, 1477800, 1502430, 1802916, 2003240, 2253645, 2504050, 3004860, 3605832, 3756075, 4507290, 5008100, 6009720, 7512150, 9014580, 10016200, 11268225, 15024300, 18029160, 22536450, 30048600, 45072900, 90145800]

約数ペア:

[(1, 90145800), (2, 45072900), (3, 30048600), (4, 22536450), (5, 18029160), (6, 15024300), (8, 11268225), (9, 10016200), (10, 9014580), (12, 7512150), (15, 6009720), (18, 5008100), (20, 4507290), (24, 3756075), (25, 3605832), (30, 3004860), (36, 2504050), (40, 2253645), (45, 2003240), (50, 1802916), (60, 1502430), (61, 1477800), (72, 1252025), (75, 1201944), (90, 1001620), (100, 901458), (120, 751215), (122, 738900), (150, 600972), (180, 500810), (183, 492600), (200, 450729), (225, 400648), (244, 369450), (300, 300486), (305, 295560), (360, 250405), (366, 246300), (450, 200324), (488, 184725), (549, 164200), (600, 150243), (610, 147780), (732, 123150), (821, 109800), (900, 100162), (915, 98520), (1098, 82100), (1220, 73890), (1464, 61575), (1525, 59112), (1642, 54900), (1800, 50081), (1830, 49260), (2196, 41050), (2440, 36945), (2463, 36600), (2745, 32840), (3050, 29556), (3284, 27450), (3660, 24630), (4105, 21960), (4392, 20525), (4575, 19704), (4926, 18300), (5490, 16420), (6100, 14778), (6568, 13725), (7320, 12315), (7389, 12200), (8210, 10980), (9150, 9852)]