1223974680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7561}}^1$

素因数の和:7665

約数の個数: 128

約数和(自身を含む): 3920140800

約数和(自身を除く): 2696166120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 213, 228, 284, 285, 355, 380, 426, 456, 568, 570, 710, 760, 852, 1065, 1140, 1349, 1420, 1704, 2130, 2280, 2698, 2840, 4047, 4260, 5396, 6745, 7561, 8094, 8520, 10792, 13490, 15122, 16188, 20235, 22683, 26980, 30244, 32376, 37805, 40470, 45366, 53960, 60488, 75610, 80940, 90732, 113415, 143659, 151220, 161880, 181464, 226830, 287318, 302440, 430977, 453660, 536831, 574636, 718295, 861954, 907320, 1073662, 1149272, 1436590, 1610493, 1723908, 2147324, 2154885, 2684155, 2873180, 3220986, 3447816, 4294648, 4309770, 5368310, 5746360, 6441972, 8052465, 8619540, 10199789, 10736620, 12883944, 16104930, 17239080, 20399578, 21473240, 30599367, 32209860, 40799156, 50998945, 61198734, 64419720, 81598312, 101997890, 122397468, 152996835, 203995780, 244794936, 305993670, 407991560, 611987340, 1223974680]

約数ペア:

[(1, 1223974680), (2, 611987340), (3, 407991560), (4, 305993670), (5, 244794936), (6, 203995780), (8, 152996835), (10, 122397468), (12, 101997890), (15, 81598312), (19, 64419720), (20, 61198734), (24, 50998945), (30, 40799156), (38, 32209860), (40, 30599367), (57, 21473240), (60, 20399578), (71, 17239080), (76, 16104930), (95, 12883944), (114, 10736620), (120, 10199789), (142, 8619540), (152, 8052465), (190, 6441972), (213, 5746360), (228, 5368310), (284, 4309770), (285, 4294648), (355, 3447816), (380, 3220986), (426, 2873180), (456, 2684155), (568, 2154885), (570, 2147324), (710, 1723908), (760, 1610493), (852, 1436590), (1065, 1149272), (1140, 1073662), (1349, 907320), (1420, 861954), (1704, 718295), (2130, 574636), (2280, 536831), (2698, 453660), (2840, 430977), (4047, 302440), (4260, 287318), (5396, 226830), (6745, 181464), (7561, 161880), (8094, 151220), (8520, 143659), (10792, 113415), (13490, 90732), (15122, 80940), (16188, 75610), (20235, 60488), (22683, 53960), (26980, 45366), (30244, 40470), (32376, 37805)]