27938820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 106178688

約数和(自身を除く): 78239868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 43, 49, 51, 52, 60, 65, 68, 70, 78, 84, 85, 86, 91, 98, 102, 105, 119, 129, 130, 140, 147, 156, 170, 172, 182, 195, 196, 204, 210, 215, 221, 238, 245, 255, 258, 260, 273, 294, 301, 340, 357, 364, 390, 420, 430, 442, 455, 476, 490, 510, 516, 546, 559, 588, 595, 602, 637, 645, 663, 714, 731, 735, 780, 833, 860, 884, 903, 910, 980, 1020, 1092, 1105, 1118, 1190, 1204, 1274, 1290, 1326, 1365, 1428, 1462, 1470, 1505, 1547, 1666, 1677, 1785, 1806, 1820, 1911, 2107, 2193, 2210, 2236, 2380, 2499, 2548, 2580, 2652, 2730, 2795, 2924, 2940, 3010, 3094, 3185, 3315, 3332, 3354, 3570, 3612, 3655, 3822, 3913, 4165, 4214, 4386, 4420, 4515, 4641, 4998, 5117, 5460, 5590, 6020, 6188, 6321, 6370, 6630, 6708, 7140, 7310, 7644, 7735, 7826, 8330, 8385, 8428, 8772, 9030, 9282, 9503, 9555, 9996, 10234, 10535, 10829, 10965, 11180, 11739, 12495, 12642, 12740, 13260, 14620, 15351, 15470, 15652, 16660, 16770, 18060, 18564, 19006, 19110, 19565, 20468, 21070, 21658, 21930, 23205, 23478, 24990, 25284, 25585, 27391, 28509, 30702, 30940, 31605, 32487, 33540, 35819, 38012, 38220, 39130, 42140, 43316, 43860, 46410, 46956, 47515, 49980, 51170, 54145, 54782, 57018, 58695, 61404, 63210, 64974, 66521, 71638, 76755, 78260, 82173, 92820, 95030, 102340, 107457, 108290, 109564, 114036, 117390, 126420, 129948, 133042, 136955, 142545, 143276, 153510, 162435, 164346, 179095, 190060, 199563, 214914, 216580, 234780, 266084, 273910, 285090, 307020, 324870, 328692, 332605, 358190, 399126, 410865, 429828, 465647, 537285, 547820, 570180, 649740, 665210, 716380, 798252, 821730, 931294, 997815, 1074570, 1330420, 1396941, 1643460, 1862588, 1995630, 2149140, 2328235, 2793882, 3991260, 4656470, 5587764, 6984705, 9312940, 13969410, 27938820]

約数ペア:

[(1, 27938820), (2, 13969410), (3, 9312940), (4, 6984705), (5, 5587764), (6, 4656470), (7, 3991260), (10, 2793882), (12, 2328235), (13, 2149140), (14, 1995630), (15, 1862588), (17, 1643460), (20, 1396941), (21, 1330420), (26, 1074570), (28, 997815), (30, 931294), (34, 821730), (35, 798252), (39, 716380), (42, 665210), (43, 649740), (49, 570180), (51, 547820), (52, 537285), (60, 465647), (65, 429828), (68, 410865), (70, 399126), (78, 358190), (84, 332605), (85, 328692), (86, 324870), (91, 307020), (98, 285090), (102, 273910), (105, 266084), (119, 234780), (129, 216580), (130, 214914), (140, 199563), (147, 190060), (156, 179095), (170, 164346), (172, 162435), (182, 153510), (195, 143276), (196, 142545), (204, 136955), (210, 133042), (215, 129948), (221, 126420), (238, 117390), (245, 114036), (255, 109564), (258, 108290), (260, 107457), (273, 102340), (294, 95030), (301, 92820), (340, 82173), (357, 78260), (364, 76755), (390, 71638), (420, 66521), (430, 64974), (442, 63210), (455, 61404), (476, 58695), (490, 57018), (510, 54782), (516, 54145), (546, 51170), (559, 49980), (588, 47515), (595, 46956), (602, 46410), (637, 43860), (645, 43316), (663, 42140), (714, 39130), (731, 38220), (735, 38012), (780, 35819), (833, 33540), (860, 32487), (884, 31605), (903, 30940), (910, 30702), (980, 28509), (1020, 27391), (1092, 25585), (1105, 25284), (1118, 24990), (1190, 23478), (1204, 23205), (1274, 21930), (1290, 21658), (1326, 21070), (1365, 20468), (1428, 19565), (1462, 19110), (1470, 19006), (1505, 18564), (1547, 18060), (1666, 16770), (1677, 16660), (1785, 15652), (1806, 15470), (1820, 15351), (1911, 14620), (2107, 13260), (2193, 12740), (2210, 12642), (2236, 12495), (2380, 11739), (2499, 11180), (2548, 10965), (2580, 10829), (2652, 10535), (2730, 10234), (2795, 9996), (2924, 9555), (2940, 9503), (3010, 9282), (3094, 9030), (3185, 8772), (3315, 8428), (3332, 8385), (3354, 8330), (3570, 7826), (3612, 7735), (3655, 7644), (3822, 7310), (3913, 7140), (4165, 6708), (4214, 6630), (4386, 6370), (4420, 6321), (4515, 6188), (4641, 6020), (4998, 5590), (5117, 5460)]