2121319980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47713}}^1$

素因数の和:47760

約数の個数: 144

約数和(自身を含む): 7294516320

約数和(自身を除く): 5173196340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 11115, 14820, 22230, 44460, 47713, 95426, 143139, 190852, 238565, 286278, 429417, 477130, 572556, 620269, 715695, 858834, 906547, 954260, 1240538, 1431390, 1717668, 1813094, 1860807, 2147085, 2481076, 2719641, 2862780, 3101345, 3626188, 3721614, 4294170, 4532735, 5439282, 5582421, 6202690, 7443228, 8158923, 8588340, 9065470, 9304035, 10878564, 11164842, 11785111, 12405380, 13598205, 16317846, 18130940, 18608070, 22329684, 23570222, 27196410, 27912105, 32635692, 35355333, 37216140, 40794615, 47140444, 54392820, 55824210, 58925555, 70710666, 81589230, 106065999, 111648420, 117851110, 141421332, 163178460, 176776665, 212131998, 235702220, 353553330, 424263996, 530329995, 707106660, 1060659990, 2121319980]

約数ペア:

[(1, 2121319980), (2, 1060659990), (3, 707106660), (4, 530329995), (5, 424263996), (6, 353553330), (9, 235702220), (10, 212131998), (12, 176776665), (13, 163178460), (15, 141421332), (18, 117851110), (19, 111648420), (20, 106065999), (26, 81589230), (30, 70710666), (36, 58925555), (38, 55824210), (39, 54392820), (45, 47140444), (52, 40794615), (57, 37216140), (60, 35355333), (65, 32635692), (76, 27912105), (78, 27196410), (90, 23570222), (95, 22329684), (114, 18608070), (117, 18130940), (130, 16317846), (156, 13598205), (171, 12405380), (180, 11785111), (190, 11164842), (195, 10878564), (228, 9304035), (234, 9065470), (247, 8588340), (260, 8158923), (285, 7443228), (342, 6202690), (380, 5582421), (390, 5439282), (468, 4532735), (494, 4294170), (570, 3721614), (585, 3626188), (684, 3101345), (741, 2862780), (780, 2719641), (855, 2481076), (988, 2147085), (1140, 1860807), (1170, 1813094), (1235, 1717668), (1482, 1431390), (1710, 1240538), (2223, 954260), (2340, 906547), (2470, 858834), (2964, 715695), (3420, 620269), (3705, 572556), (4446, 477130), (4940, 429417), (7410, 286278), (8892, 238565), (11115, 190852), (14820, 143139), (22230, 95426), (44460, 47713)]