74486490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 203986944

約数和(自身を除く): 129500454

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 61, 62, 65, 78, 93, 101, 122, 130, 155, 183, 186, 195, 202, 303, 305, 310, 366, 390, 403, 465, 505, 606, 610, 793, 806, 915, 930, 1010, 1209, 1313, 1515, 1586, 1830, 1891, 2015, 2379, 2418, 2626, 3030, 3131, 3782, 3939, 3965, 4030, 4758, 5673, 6045, 6161, 6262, 6565, 7878, 7930, 9393, 9455, 11346, 11895, 12090, 12322, 13130, 15655, 18483, 18786, 18910, 19695, 23790, 24583, 28365, 30805, 31310, 36966, 39390, 40703, 46965, 49166, 56730, 61610, 73749, 80093, 81406, 92415, 93930, 122109, 122915, 147498, 160186, 184830, 190991, 203515, 240279, 244218, 245830, 368745, 381982, 400465, 407030, 480558, 572973, 610545, 737490, 800930, 954955, 1145946, 1201395, 1221090, 1909910, 2402790, 2482883, 2864865, 4965766, 5729730, 7448649, 12414415, 14897298, 24828830, 37243245, 74486490]

約数ペア:

[(1, 74486490), (2, 37243245), (3, 24828830), (5, 14897298), (6, 12414415), (10, 7448649), (13, 5729730), (15, 4965766), (26, 2864865), (30, 2482883), (31, 2402790), (39, 1909910), (61, 1221090), (62, 1201395), (65, 1145946), (78, 954955), (93, 800930), (101, 737490), (122, 610545), (130, 572973), (155, 480558), (183, 407030), (186, 400465), (195, 381982), (202, 368745), (303, 245830), (305, 244218), (310, 240279), (366, 203515), (390, 190991), (403, 184830), (465, 160186), (505, 147498), (606, 122915), (610, 122109), (793, 93930), (806, 92415), (915, 81406), (930, 80093), (1010, 73749), (1209, 61610), (1313, 56730), (1515, 49166), (1586, 46965), (1830, 40703), (1891, 39390), (2015, 36966), (2379, 31310), (2418, 30805), (2626, 28365), (3030, 24583), (3131, 23790), (3782, 19695), (3939, 18910), (3965, 18786), (4030, 18483), (4758, 15655), (5673, 13130), (6045, 12322), (6161, 12090), (6262, 11895), (6565, 11346), (7878, 9455), (7930, 9393)]