72226980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:479

約数の個数: 216

約数和(自身を含む): 268894080

約数和(自身を除く): 196667100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 431, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 862, 882, 931, 980, 1140, 1197, 1260, 1293, 1330, 1470, 1596, 1710, 1724, 1764, 1862, 1995, 2155, 2205, 2394, 2586, 2660, 2793, 2940, 3017, 3420, 3724, 3879, 3990, 4310, 4410, 4655, 4788, 5172, 5586, 5985, 6034, 6465, 7758, 7980, 8189, 8379, 8620, 8820, 9051, 9310, 11172, 11970, 12068, 12930, 13965, 15085, 15516, 16378, 16758, 18102, 18620, 19395, 21119, 23940, 24567, 25860, 27153, 27930, 30170, 32756, 33516, 36204, 38790, 40945, 41895, 42238, 45255, 49134, 54306, 55860, 57323, 60340, 63357, 73701, 77580, 81890, 83790, 84476, 90510, 98268, 105595, 108612, 114646, 122835, 126714, 135765, 147402, 163780, 167580, 171969, 181020, 190071, 211190, 229292, 245670, 253428, 271530, 286615, 294804, 316785, 343938, 368505, 380142, 401261, 422380, 491340, 515907, 543060, 573230, 633570, 687876, 737010, 760284, 802522, 859845, 950355, 1031814, 1146460, 1203783, 1267140, 1474020, 1605044, 1719690, 1900710, 2006305, 2063628, 2407566, 2579535, 3439380, 3611349, 3801420, 4012610, 4815132, 5159070, 6018915, 7222698, 8025220, 10318140, 12037830, 14445396, 18056745, 24075660, 36113490, 72226980]

約数ペア:

[(1, 72226980), (2, 36113490), (3, 24075660), (4, 18056745), (5, 14445396), (6, 12037830), (7, 10318140), (9, 8025220), (10, 7222698), (12, 6018915), (14, 5159070), (15, 4815132), (18, 4012610), (19, 3801420), (20, 3611349), (21, 3439380), (28, 2579535), (30, 2407566), (35, 2063628), (36, 2006305), (38, 1900710), (42, 1719690), (45, 1605044), (49, 1474020), (57, 1267140), (60, 1203783), (63, 1146460), (70, 1031814), (76, 950355), (84, 859845), (90, 802522), (95, 760284), (98, 737010), (105, 687876), (114, 633570), (126, 573230), (133, 543060), (140, 515907), (147, 491340), (171, 422380), (180, 401261), (190, 380142), (196, 368505), (210, 343938), (228, 316785), (245, 294804), (252, 286615), (266, 271530), (285, 253428), (294, 245670), (315, 229292), (342, 211190), (380, 190071), (399, 181020), (420, 171969), (431, 167580), (441, 163780), (490, 147402), (532, 135765), (570, 126714), (588, 122835), (630, 114646), (665, 108612), (684, 105595), (735, 98268), (798, 90510), (855, 84476), (862, 83790), (882, 81890), (931, 77580), (980, 73701), (1140, 63357), (1197, 60340), (1260, 57323), (1293, 55860), (1330, 54306), (1470, 49134), (1596, 45255), (1710, 42238), (1724, 41895), (1764, 40945), (1862, 38790), (1995, 36204), (2155, 33516), (2205, 32756), (2394, 30170), (2586, 27930), (2660, 27153), (2793, 25860), (2940, 24567), (3017, 23940), (3420, 21119), (3724, 19395), (3879, 18620), (3990, 18102), (4310, 16758), (4410, 16378), (4655, 15516), (4788, 15085), (5172, 13965), (5586, 12930), (5985, 12068), (6034, 11970), (6465, 11172), (7758, 9310), (7980, 9051), (8189, 8820), (8379, 8620)]