30331980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 216

約数和(自身を含む): 113284080

約数和(自身を除く): 82952100

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, 181, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 362, 380, 399, 420, 441, 490, 532, 543, 570, 588, 630, 665, 684, 724, 735, 798, 855, 882, 905, 931, 980, 1086, 1140, 1197, 1260, 1267, 1330, 1470, 1596, 1629, 1710, 1764, 1810, 1862, 1995, 2172, 2205, 2394, 2534, 2660, 2715, 2793, 2940, 3258, 3420, 3439, 3620, 3724, 3801, 3990, 4410, 4655, 4788, 5068, 5430, 5586, 5985, 6335, 6516, 6878, 7602, 7980, 8145, 8379, 8820, 8869, 9310, 10317, 10860, 11172, 11403, 11970, 12670, 13756, 13965, 15204, 16290, 16758, 17195, 17738, 18620, 19005, 20634, 22806, 23940, 24073, 25340, 26607, 27930, 30951, 32580, 33516, 34390, 35476, 38010, 41268, 41895, 44345, 45612, 48146, 51585, 53214, 55860, 57015, 61902, 68780, 72219, 76020, 79821, 83790, 88690, 96292, 103170, 106428, 114030, 120365, 123804, 133035, 144438, 154755, 159642, 167580, 168511, 177380, 206340, 216657, 228060, 240730, 266070, 288876, 309510, 319284, 337022, 361095, 399105, 433314, 481460, 505533, 532140, 619020, 674044, 722190, 798210, 842555, 866628, 1011066, 1083285, 1444380, 1516599, 1596420, 1685110, 2022132, 2166570, 2527665, 3033198, 3370220, 4333140, 5055330, 6066396, 7582995, 10110660, 15165990, 30331980]

約数ペア:

[(1, 30331980), (2, 15165990), (3, 10110660), (4, 7582995), (5, 6066396), (6, 5055330), (7, 4333140), (9, 3370220), (10, 3033198), (12, 2527665), (14, 2166570), (15, 2022132), (18, 1685110), (19, 1596420), (20, 1516599), (21, 1444380), (28, 1083285), (30, 1011066), (35, 866628), (36, 842555), (38, 798210), (42, 722190), (45, 674044), (49, 619020), (57, 532140), (60, 505533), (63, 481460), (70, 433314), (76, 399105), (84, 361095), (90, 337022), (95, 319284), (98, 309510), (105, 288876), (114, 266070), (126, 240730), (133, 228060), (140, 216657), (147, 206340), (171, 177380), (180, 168511), (181, 167580), (190, 159642), (196, 154755), (210, 144438), (228, 133035), (245, 123804), (252, 120365), (266, 114030), (285, 106428), (294, 103170), (315, 96292), (342, 88690), (362, 83790), (380, 79821), (399, 76020), (420, 72219), (441, 68780), (490, 61902), (532, 57015), (543, 55860), (570, 53214), (588, 51585), (630, 48146), (665, 45612), (684, 44345), (724, 41895), (735, 41268), (798, 38010), (855, 35476), (882, 34390), (905, 33516), (931, 32580), (980, 30951), (1086, 27930), (1140, 26607), (1197, 25340), (1260, 24073), (1267, 23940), (1330, 22806), (1470, 20634), (1596, 19005), (1629, 18620), (1710, 17738), (1764, 17195), (1810, 16758), (1862, 16290), (1995, 15204), (2172, 13965), (2205, 13756), (2394, 12670), (2534, 11970), (2660, 11403), (2715, 11172), (2793, 10860), (2940, 10317), (3258, 9310), (3420, 8869), (3439, 8820), (3620, 8379), (3724, 8145), (3801, 7980), (3990, 7602), (4410, 6878), (4655, 6516), (4788, 6335), (5068, 5985), (5430, 5586)]