71908020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 237484800

約数和(自身を除く): 165576780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 59, 60, 61, 74, 90, 108, 111, 118, 122, 135, 148, 177, 180, 183, 185, 222, 236, 244, 270, 295, 305, 333, 354, 366, 370, 444, 531, 540, 549, 555, 590, 610, 666, 708, 732, 740, 885, 915, 999, 1062, 1098, 1110, 1180, 1220, 1332, 1593, 1647, 1665, 1770, 1830, 1998, 2124, 2183, 2196, 2220, 2257, 2655, 2745, 3186, 3294, 3330, 3540, 3599, 3660, 3996, 4366, 4514, 4995, 5310, 5490, 6372, 6549, 6588, 6660, 6771, 7198, 7965, 8235, 8732, 9028, 9990, 10620, 10797, 10915, 10980, 11285, 13098, 13542, 14396, 15930, 16470, 17995, 19647, 19980, 20313, 21594, 21830, 22570, 26196, 27084, 31860, 32391, 32745, 32940, 33855, 35990, 39294, 40626, 43188, 43660, 45140, 53985, 58941, 60939, 64782, 65490, 67710, 71980, 78588, 81252, 97173, 98235, 101565, 107970, 117882, 121878, 129564, 130980, 133163, 135420, 161955, 194346, 196470, 203130, 215940, 235764, 243756, 266326, 294705, 304695, 323910, 388692, 392940, 399489, 406260, 485865, 532652, 589410, 609390, 647820, 665815, 798978, 971730, 1178820, 1198467, 1218780, 1331630, 1597956, 1943460, 1997445, 2396934, 2663260, 3595401, 3994890, 4793868, 5992335, 7190802, 7989780, 11984670, 14381604, 17977005, 23969340, 35954010, 71908020]

約数ペア:

[(1, 71908020), (2, 35954010), (3, 23969340), (4, 17977005), (5, 14381604), (6, 11984670), (9, 7989780), (10, 7190802), (12, 5992335), (15, 4793868), (18, 3994890), (20, 3595401), (27, 2663260), (30, 2396934), (36, 1997445), (37, 1943460), (45, 1597956), (54, 1331630), (59, 1218780), (60, 1198467), (61, 1178820), (74, 971730), (90, 798978), (108, 665815), (111, 647820), (118, 609390), (122, 589410), (135, 532652), (148, 485865), (177, 406260), (180, 399489), (183, 392940), (185, 388692), (222, 323910), (236, 304695), (244, 294705), (270, 266326), (295, 243756), (305, 235764), (333, 215940), (354, 203130), (366, 196470), (370, 194346), (444, 161955), (531, 135420), (540, 133163), (549, 130980), (555, 129564), (590, 121878), (610, 117882), (666, 107970), (708, 101565), (732, 98235), (740, 97173), (885, 81252), (915, 78588), (999, 71980), (1062, 67710), (1098, 65490), (1110, 64782), (1180, 60939), (1220, 58941), (1332, 53985), (1593, 45140), (1647, 43660), (1665, 43188), (1770, 40626), (1830, 39294), (1998, 35990), (2124, 33855), (2183, 32940), (2196, 32745), (2220, 32391), (2257, 31860), (2655, 27084), (2745, 26196), (3186, 22570), (3294, 21830), (3330, 21594), (3540, 20313), (3599, 19980), (3660, 19647), (3996, 17995), (4366, 16470), (4514, 15930), (4995, 14396), (5310, 13542), (5490, 13098), (6372, 11285), (6549, 10980), (6588, 10915), (6660, 10797), (6771, 10620), (7198, 9990), (7965, 9028), (8235, 8732)]