28472220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 100638720

約数和(自身を除く): 72166500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 383, 413, 420, 531, 590, 630, 708, 766, 826, 885, 1062, 1149, 1180, 1239, 1260, 1532, 1652, 1770, 1915, 2065, 2124, 2298, 2478, 2655, 2681, 3447, 3540, 3717, 3830, 4130, 4596, 4956, 5310, 5362, 5745, 6195, 6894, 7434, 7660, 8043, 8260, 10620, 10724, 11490, 12390, 13405, 13788, 14868, 16086, 17235, 18585, 22597, 22980, 24129, 24780, 26810, 32172, 34470, 37170, 40215, 45194, 48258, 53620, 67791, 68940, 74340, 80430, 90388, 96516, 112985, 120645, 135582, 158179, 160860, 203373, 225970, 241290, 271164, 316358, 338955, 406746, 451940, 474537, 482580, 632716, 677910, 790895, 813492, 949074, 1016865, 1355820, 1423611, 1581790, 1898148, 2033730, 2372685, 2847222, 3163580, 4067460, 4745370, 5694444, 7118055, 9490740, 14236110, 28472220]

約数ペア:

[(1, 28472220), (2, 14236110), (3, 9490740), (4, 7118055), (5, 5694444), (6, 4745370), (7, 4067460), (9, 3163580), (10, 2847222), (12, 2372685), (14, 2033730), (15, 1898148), (18, 1581790), (20, 1423611), (21, 1355820), (28, 1016865), (30, 949074), (35, 813492), (36, 790895), (42, 677910), (45, 632716), (59, 482580), (60, 474537), (63, 451940), (70, 406746), (84, 338955), (90, 316358), (105, 271164), (118, 241290), (126, 225970), (140, 203373), (177, 160860), (180, 158179), (210, 135582), (236, 120645), (252, 112985), (295, 96516), (315, 90388), (354, 80430), (383, 74340), (413, 68940), (420, 67791), (531, 53620), (590, 48258), (630, 45194), (708, 40215), (766, 37170), (826, 34470), (885, 32172), (1062, 26810), (1149, 24780), (1180, 24129), (1239, 22980), (1260, 22597), (1532, 18585), (1652, 17235), (1770, 16086), (1915, 14868), (2065, 13788), (2124, 13405), (2298, 12390), (2478, 11490), (2655, 10724), (2681, 10620), (3447, 8260), (3540, 8043), (3717, 7660), (3830, 7434), (4130, 6894), (4596, 6195), (4956, 5745), (5310, 5362)]