72921420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2833}}^1$

素因数の和:2872

約数の個数: 144

約数和(自身を含む): 259957152

約数和(自身を除く): 187035732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2833, 2860, 4290, 5148, 5666, 6435, 8499, 8580, 11332, 12870, 14165, 16998, 25497, 25740, 28330, 31163, 33996, 36829, 42495, 50994, 56660, 62326, 73658, 84990, 93489, 101988, 110487, 124652, 127485, 147316, 155815, 169980, 184145, 186978, 220974, 254970, 280467, 311630, 331461, 368290, 373956, 405119, 441948, 467445, 509940, 552435, 560934, 623260, 662922, 736580, 810238, 934890, 1104870, 1121868, 1215357, 1325844, 1402335, 1620476, 1657305, 1869780, 2025595, 2209740, 2430714, 2804670, 3314610, 3646071, 4051190, 4861428, 5609340, 6076785, 6629220, 7292142, 8102380, 12153570, 14584284, 18230355, 24307140, 36460710, 72921420]

約数ペア:

[(1, 72921420), (2, 36460710), (3, 24307140), (4, 18230355), (5, 14584284), (6, 12153570), (9, 8102380), (10, 7292142), (11, 6629220), (12, 6076785), (13, 5609340), (15, 4861428), (18, 4051190), (20, 3646071), (22, 3314610), (26, 2804670), (30, 2430714), (33, 2209740), (36, 2025595), (39, 1869780), (44, 1657305), (45, 1620476), (52, 1402335), (55, 1325844), (60, 1215357), (65, 1121868), (66, 1104870), (78, 934890), (90, 810238), (99, 736580), (110, 662922), (117, 623260), (130, 560934), (132, 552435), (143, 509940), (156, 467445), (165, 441948), (180, 405119), (195, 373956), (198, 368290), (220, 331461), (234, 311630), (260, 280467), (286, 254970), (330, 220974), (390, 186978), (396, 184145), (429, 169980), (468, 155815), (495, 147316), (572, 127485), (585, 124652), (660, 110487), (715, 101988), (780, 93489), (858, 84990), (990, 73658), (1170, 62326), (1287, 56660), (1430, 50994), (1716, 42495), (1980, 36829), (2145, 33996), (2340, 31163), (2574, 28330), (2833, 25740), (2860, 25497), (4290, 16998), (5148, 14165), (5666, 12870), (6435, 11332), (8499, 8580)]