281709720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:466

約数の個数: 192

約数和(自身を含む): 978531840

約数和(自身を除く): 696822120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 191, 204, 241, 255, 306, 340, 360, 382, 408, 482, 510, 573, 612, 680, 723, 764, 765, 955, 964, 1020, 1146, 1205, 1224, 1446, 1528, 1530, 1719, 1910, 1928, 2040, 2169, 2292, 2410, 2865, 2892, 3060, 3247, 3438, 3615, 3820, 4097, 4338, 4584, 4820, 5730, 5784, 6120, 6494, 6876, 7230, 7640, 8194, 8595, 8676, 9640, 9741, 10845, 11460, 12291, 12988, 13752, 14460, 16235, 16388, 17190, 17352, 19482, 20485, 21690, 22920, 24582, 25976, 28920, 29223, 32470, 32776, 34380, 36873, 38964, 40970, 43380, 46031, 48705, 49164, 58446, 61455, 64940, 68760, 73746, 77928, 81940, 86760, 92062, 97410, 98328, 116892, 122910, 129880, 138093, 146115, 147492, 163880, 184124, 184365, 194820, 230155, 233784, 245820, 276186, 292230, 294984, 368248, 368730, 389640, 414279, 460310, 491640, 552372, 584460, 690465, 737460, 782527, 828558, 920620, 1104744, 1168920, 1380930, 1474920, 1565054, 1657116, 1841240, 2071395, 2347581, 2761860, 3130108, 3314232, 3912635, 4142790, 4695162, 5523720, 6260216, 7042743, 7825270, 8285580, 9390324, 11737905, 14085486, 15650540, 16571160, 18780648, 23475810, 28170972, 31301080, 35213715, 46951620, 56341944, 70427430, 93903240, 140854860, 281709720]

約数ペア:

[(1, 281709720), (2, 140854860), (3, 93903240), (4, 70427430), (5, 56341944), (6, 46951620), (8, 35213715), (9, 31301080), (10, 28170972), (12, 23475810), (15, 18780648), (17, 16571160), (18, 15650540), (20, 14085486), (24, 11737905), (30, 9390324), (34, 8285580), (36, 7825270), (40, 7042743), (45, 6260216), (51, 5523720), (60, 4695162), (68, 4142790), (72, 3912635), (85, 3314232), (90, 3130108), (102, 2761860), (120, 2347581), (136, 2071395), (153, 1841240), (170, 1657116), (180, 1565054), (191, 1474920), (204, 1380930), (241, 1168920), (255, 1104744), (306, 920620), (340, 828558), (360, 782527), (382, 737460), (408, 690465), (482, 584460), (510, 552372), (573, 491640), (612, 460310), (680, 414279), (723, 389640), (764, 368730), (765, 368248), (955, 294984), (964, 292230), (1020, 276186), (1146, 245820), (1205, 233784), (1224, 230155), (1446, 194820), (1528, 184365), (1530, 184124), (1719, 163880), (1910, 147492), (1928, 146115), (2040, 138093), (2169, 129880), (2292, 122910), (2410, 116892), (2865, 98328), (2892, 97410), (3060, 92062), (3247, 86760), (3438, 81940), (3615, 77928), (3820, 73746), (4097, 68760), (4338, 64940), (4584, 61455), (4820, 58446), (5730, 49164), (5784, 48705), (6120, 46031), (6494, 43380), (6876, 40970), (7230, 38964), (7640, 36873), (8194, 34380), (8595, 32776), (8676, 32470), (9640, 29223), (9741, 28920), (10845, 25976), (11460, 24582), (12291, 22920), (12988, 21690), (13752, 20485), (14460, 19482), (16235, 17352), (16388, 17190)]