289293720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{39521}}^1$

素因数の和:39596

約数の個数: 64

約数和(自身を含む): 882131040

約数和(自身を除く): 592837320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 39521, 79042, 118563, 158084, 197605, 237126, 316168, 395210, 474252, 592815, 790420, 948504, 1185630, 1580840, 2371260, 2410781, 4742520, 4821562, 7232343, 9643124, 12053905, 14464686, 19286248, 24107810, 28929372, 36161715, 48215620, 57858744, 72323430, 96431240, 144646860, 289293720]

約数ペア:

[(1, 289293720), (2, 144646860), (3, 96431240), (4, 72323430), (5, 57858744), (6, 48215620), (8, 36161715), (10, 28929372), (12, 24107810), (15, 19286248), (20, 14464686), (24, 12053905), (30, 9643124), (40, 7232343), (60, 4821562), (61, 4742520), (120, 2410781), (122, 2371260), (183, 1580840), (244, 1185630), (305, 948504), (366, 790420), (488, 592815), (610, 474252), (732, 395210), (915, 316168), (1220, 237126), (1464, 197605), (1830, 158084), (2440, 118563), (3660, 79042), (7320, 39521)]