287463720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 885479040

約数和(自身を除く): 598015320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 173, 183, 227, 244, 305, 346, 366, 454, 488, 519, 610, 681, 692, 732, 865, 908, 915, 1038, 1135, 1220, 1362, 1384, 1464, 1730, 1816, 1830, 2076, 2270, 2440, 2595, 2724, 3405, 3460, 3660, 4152, 4540, 5190, 5448, 6810, 6920, 7320, 9080, 10380, 10553, 13620, 13847, 20760, 21106, 27240, 27694, 31659, 39271, 41541, 42212, 52765, 55388, 63318, 69235, 78542, 83082, 84424, 105530, 110776, 117813, 126636, 138470, 157084, 158295, 166164, 196355, 207705, 211060, 235626, 253272, 276940, 314168, 316590, 332328, 392710, 415410, 422120, 471252, 553880, 589065, 633180, 785420, 830820, 942504, 1178130, 1266360, 1570840, 1661640, 2356260, 2395531, 4712520, 4791062, 7186593, 9582124, 11977655, 14373186, 19164248, 23955310, 28746372, 35932965, 47910620, 57492744, 71865930, 95821240, 143731860, 287463720]

約数ペア:

[(1, 287463720), (2, 143731860), (3, 95821240), (4, 71865930), (5, 57492744), (6, 47910620), (8, 35932965), (10, 28746372), (12, 23955310), (15, 19164248), (20, 14373186), (24, 11977655), (30, 9582124), (40, 7186593), (60, 4791062), (61, 4712520), (120, 2395531), (122, 2356260), (173, 1661640), (183, 1570840), (227, 1266360), (244, 1178130), (305, 942504), (346, 830820), (366, 785420), (454, 633180), (488, 589065), (519, 553880), (610, 471252), (681, 422120), (692, 415410), (732, 392710), (865, 332328), (908, 316590), (915, 314168), (1038, 276940), (1135, 253272), (1220, 235626), (1362, 211060), (1384, 207705), (1464, 196355), (1730, 166164), (1816, 158295), (1830, 157084), (2076, 138470), (2270, 126636), (2440, 117813), (2595, 110776), (2724, 105530), (3405, 84424), (3460, 83082), (3660, 78542), (4152, 69235), (4540, 63318), (5190, 55388), (5448, 52765), (6810, 42212), (6920, 41541), (7320, 39271), (9080, 31659), (10380, 27694), (10553, 27240), (13620, 21106), (13847, 20760)]