204736740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 632834496

約数和(自身を除く): 428097756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 169, 183, 195, 244, 260, 305, 331, 338, 366, 390, 507, 610, 662, 676, 732, 780, 793, 845, 915, 993, 1014, 1220, 1324, 1586, 1655, 1690, 1830, 1986, 2028, 2379, 2535, 3172, 3310, 3380, 3660, 3965, 3972, 4303, 4758, 4965, 5070, 6620, 7930, 8606, 9516, 9930, 10140, 10309, 11895, 12909, 15860, 17212, 19860, 20191, 20618, 21515, 23790, 25818, 30927, 40382, 41236, 43030, 47580, 51545, 51636, 55939, 60573, 61854, 64545, 80764, 86060, 100955, 103090, 111878, 121146, 123708, 129090, 154635, 167817, 201910, 206180, 223756, 242292, 258180, 262483, 279695, 302865, 309270, 335634, 403820, 524966, 559390, 605730, 618540, 671268, 787449, 839085, 1049932, 1118780, 1211460, 1312415, 1574898, 1678170, 2624830, 3149796, 3356340, 3412279, 3937245, 5249660, 6824558, 7874490, 10236837, 13649116, 15748980, 17061395, 20473674, 34122790, 40947348, 51184185, 68245580, 102368370, 204736740]

約数ペア:

[(1, 204736740), (2, 102368370), (3, 68245580), (4, 51184185), (5, 40947348), (6, 34122790), (10, 20473674), (12, 17061395), (13, 15748980), (15, 13649116), (20, 10236837), (26, 7874490), (30, 6824558), (39, 5249660), (52, 3937245), (60, 3412279), (61, 3356340), (65, 3149796), (78, 2624830), (122, 1678170), (130, 1574898), (156, 1312415), (169, 1211460), (183, 1118780), (195, 1049932), (244, 839085), (260, 787449), (305, 671268), (331, 618540), (338, 605730), (366, 559390), (390, 524966), (507, 403820), (610, 335634), (662, 309270), (676, 302865), (732, 279695), (780, 262483), (793, 258180), (845, 242292), (915, 223756), (993, 206180), (1014, 201910), (1220, 167817), (1324, 154635), (1586, 129090), (1655, 123708), (1690, 121146), (1830, 111878), (1986, 103090), (2028, 100955), (2379, 86060), (2535, 80764), (3172, 64545), (3310, 61854), (3380, 60573), (3660, 55939), (3965, 51636), (3972, 51545), (4303, 47580), (4758, 43030), (4965, 41236), (5070, 40382), (6620, 30927), (7930, 25818), (8606, 23790), (9516, 21515), (9930, 20618), (10140, 20191), (10309, 19860), (11895, 17212), (12909, 15860)]