47665620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 157601808

約数和(自身を除く): 109936188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 222, 255, 306, 333, 340, 370, 421, 444, 510, 555, 612, 629, 666, 740, 765, 842, 1020, 1110, 1258, 1263, 1332, 1530, 1665, 1684, 1887, 2105, 2220, 2516, 2526, 3060, 3145, 3330, 3774, 3789, 4210, 5052, 5661, 6290, 6315, 6660, 7157, 7548, 7578, 8420, 9435, 11322, 12580, 12630, 14314, 15156, 15577, 18870, 18945, 21471, 22644, 25260, 28305, 28628, 31154, 35785, 37740, 37890, 42942, 46731, 56610, 62308, 64413, 71570, 75780, 77885, 85884, 93462, 107355, 113220, 128826, 140193, 143140, 155770, 186924, 214710, 233655, 257652, 264809, 280386, 311540, 322065, 429420, 467310, 529618, 560772, 644130, 700965, 794427, 934620, 1059236, 1288260, 1324045, 1401930, 1588854, 2383281, 2648090, 2803860, 3177708, 3972135, 4766562, 5296180, 7944270, 9533124, 11916405, 15888540, 23832810, 47665620]

約数ペア:

[(1, 47665620), (2, 23832810), (3, 15888540), (4, 11916405), (5, 9533124), (6, 7944270), (9, 5296180), (10, 4766562), (12, 3972135), (15, 3177708), (17, 2803860), (18, 2648090), (20, 2383281), (30, 1588854), (34, 1401930), (36, 1324045), (37, 1288260), (45, 1059236), (51, 934620), (60, 794427), (68, 700965), (74, 644130), (85, 560772), (90, 529618), (102, 467310), (111, 429420), (148, 322065), (153, 311540), (170, 280386), (180, 264809), (185, 257652), (204, 233655), (222, 214710), (255, 186924), (306, 155770), (333, 143140), (340, 140193), (370, 128826), (421, 113220), (444, 107355), (510, 93462), (555, 85884), (612, 77885), (629, 75780), (666, 71570), (740, 64413), (765, 62308), (842, 56610), (1020, 46731), (1110, 42942), (1258, 37890), (1263, 37740), (1332, 35785), (1530, 31154), (1665, 28628), (1684, 28305), (1887, 25260), (2105, 22644), (2220, 21471), (2516, 18945), (2526, 18870), (3060, 15577), (3145, 15156), (3330, 14314), (3774, 12630), (3789, 12580), (4210, 11322), (5052, 9435), (5661, 8420), (6290, 7578), (6315, 7548), (6660, 7157)]