71333220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1322

約数の個数: 144

約数和(自身を含む): 244762560

約数和(自身を除く): 173429340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1277, 1330, 1470, 1596, 1862, 1995, 2554, 2660, 2793, 2940, 3724, 3831, 3990, 4655, 5108, 5586, 6385, 7662, 7980, 8939, 9310, 11172, 12770, 13965, 15324, 17878, 18620, 19155, 24263, 25540, 26817, 27930, 35756, 38310, 44695, 48526, 53634, 55860, 62573, 72789, 76620, 89390, 97052, 107268, 121315, 125146, 134085, 145578, 169841, 178780, 187719, 242630, 250292, 268170, 291156, 312865, 339682, 363945, 375438, 485260, 509523, 536340, 625730, 679364, 727890, 750876, 849205, 938595, 1019046, 1188887, 1251460, 1455780, 1698410, 1877190, 2038092, 2377774, 2547615, 3396820, 3566661, 3754380, 4755548, 5095230, 5944435, 7133322, 10190460, 11888870, 14266644, 17833305, 23777740, 35666610, 71333220]

約数ペア:

[(1, 71333220), (2, 35666610), (3, 23777740), (4, 17833305), (5, 14266644), (6, 11888870), (7, 10190460), (10, 7133322), (12, 5944435), (14, 5095230), (15, 4755548), (19, 3754380), (20, 3566661), (21, 3396820), (28, 2547615), (30, 2377774), (35, 2038092), (38, 1877190), (42, 1698410), (49, 1455780), (57, 1251460), (60, 1188887), (70, 1019046), (76, 938595), (84, 849205), (95, 750876), (98, 727890), (105, 679364), (114, 625730), (133, 536340), (140, 509523), (147, 485260), (190, 375438), (196, 363945), (210, 339682), (228, 312865), (245, 291156), (266, 268170), (285, 250292), (294, 242630), (380, 187719), (399, 178780), (420, 169841), (490, 145578), (532, 134085), (570, 125146), (588, 121315), (665, 107268), (735, 97052), (798, 89390), (931, 76620), (980, 72789), (1140, 62573), (1277, 55860), (1330, 53634), (1470, 48526), (1596, 44695), (1862, 38310), (1995, 35756), (2554, 27930), (2660, 26817), (2793, 25540), (2940, 24263), (3724, 19155), (3831, 18620), (3990, 17878), (4655, 15324), (5108, 13965), (5586, 12770), (6385, 11172), (7662, 9310), (7980, 8939)]