1219855980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{4999}}^1$

素因数の和:5108

約数の個数: 144

約数和(自身を含む): 4021920000

約数和(自身を除く): 2802064020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 83, 84, 98, 105, 140, 147, 166, 196, 210, 245, 249, 294, 332, 415, 420, 490, 498, 581, 588, 735, 830, 980, 996, 1162, 1245, 1470, 1660, 1743, 2324, 2490, 2905, 2940, 3486, 4067, 4980, 4999, 5810, 6972, 8134, 8715, 9998, 11620, 12201, 14997, 16268, 17430, 19996, 20335, 24402, 24995, 29994, 34860, 34993, 40670, 48804, 49990, 59988, 61005, 69986, 74985, 81340, 99980, 104979, 122010, 139972, 149970, 174965, 209958, 244020, 244951, 299940, 349930, 414917, 419916, 489902, 524895, 699860, 734853, 829834, 979804, 1049790, 1224755, 1244751, 1469706, 1659668, 2074585, 2099580, 2449510, 2489502, 2904419, 2939412, 3674265, 4149170, 4899020, 4979004, 5808838, 6223755, 7348530, 8298340, 8713257, 11617676, 12447510, 14522095, 14697060, 17426514, 20330933, 24895020, 29044190, 34853028, 40661866, 43566285, 58088380, 60992799, 81323732, 87132570, 101654665, 121985598, 174265140, 203309330, 243971196, 304963995, 406618660, 609927990, 1219855980]

約数ペア:

[(1, 1219855980), (2, 609927990), (3, 406618660), (4, 304963995), (5, 243971196), (6, 203309330), (7, 174265140), (10, 121985598), (12, 101654665), (14, 87132570), (15, 81323732), (20, 60992799), (21, 58088380), (28, 43566285), (30, 40661866), (35, 34853028), (42, 29044190), (49, 24895020), (60, 20330933), (70, 17426514), (83, 14697060), (84, 14522095), (98, 12447510), (105, 11617676), (140, 8713257), (147, 8298340), (166, 7348530), (196, 6223755), (210, 5808838), (245, 4979004), (249, 4899020), (294, 4149170), (332, 3674265), (415, 2939412), (420, 2904419), (490, 2489502), (498, 2449510), (581, 2099580), (588, 2074585), (735, 1659668), (830, 1469706), (980, 1244751), (996, 1224755), (1162, 1049790), (1245, 979804), (1470, 829834), (1660, 734853), (1743, 699860), (2324, 524895), (2490, 489902), (2905, 419916), (2940, 414917), (3486, 349930), (4067, 299940), (4980, 244951), (4999, 244020), (5810, 209958), (6972, 174965), (8134, 149970), (8715, 139972), (9998, 122010), (11620, 104979), (12201, 99980), (14997, 81340), (16268, 74985), (17430, 69986), (19996, 61005), (20335, 59988), (24402, 49990), (24995, 48804), (29994, 40670), (34860, 34993)]