70216020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:467

約数の個数: 216

約数和(自身を含む): 261424800

約数和(自身を除く): 191208780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 419, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 838, 855, 882, 931, 980, 1140, 1197, 1257, 1260, 1330, 1470, 1596, 1676, 1710, 1764, 1862, 1995, 2095, 2205, 2394, 2514, 2660, 2793, 2933, 2940, 3420, 3724, 3771, 3990, 4190, 4410, 4655, 4788, 5028, 5586, 5866, 5985, 6285, 7542, 7961, 7980, 8379, 8380, 8799, 8820, 9310, 11172, 11732, 11970, 12570, 13965, 14665, 15084, 15922, 16758, 17598, 18620, 18855, 20531, 23883, 23940, 25140, 26397, 27930, 29330, 31844, 33516, 35196, 37710, 39805, 41062, 41895, 43995, 47766, 52794, 55727, 55860, 58660, 61593, 71649, 75420, 79610, 82124, 83790, 87990, 95532, 102655, 105588, 111454, 119415, 123186, 131985, 143298, 159220, 167181, 167580, 175980, 184779, 205310, 222908, 238830, 246372, 263970, 278635, 286596, 307965, 334362, 358245, 369558, 390089, 410620, 477660, 501543, 527940, 557270, 615930, 668724, 716490, 739116, 780178, 835905, 923895, 1003086, 1114540, 1170267, 1231860, 1432980, 1560356, 1671810, 1847790, 1950445, 2006172, 2340534, 2507715, 3343620, 3510801, 3695580, 3900890, 4681068, 5015430, 5851335, 7021602, 7801780, 10030860, 11702670, 14043204, 17554005, 23405340, 35108010, 70216020]

約数ペア:

[(1, 70216020), (2, 35108010), (3, 23405340), (4, 17554005), (5, 14043204), (6, 11702670), (7, 10030860), (9, 7801780), (10, 7021602), (12, 5851335), (14, 5015430), (15, 4681068), (18, 3900890), (19, 3695580), (20, 3510801), (21, 3343620), (28, 2507715), (30, 2340534), (35, 2006172), (36, 1950445), (38, 1847790), (42, 1671810), (45, 1560356), (49, 1432980), (57, 1231860), (60, 1170267), (63, 1114540), (70, 1003086), (76, 923895), (84, 835905), (90, 780178), (95, 739116), (98, 716490), (105, 668724), (114, 615930), (126, 557270), (133, 527940), (140, 501543), (147, 477660), (171, 410620), (180, 390089), (190, 369558), (196, 358245), (210, 334362), (228, 307965), (245, 286596), (252, 278635), (266, 263970), (285, 246372), (294, 238830), (315, 222908), (342, 205310), (380, 184779), (399, 175980), (419, 167580), (420, 167181), (441, 159220), (490, 143298), (532, 131985), (570, 123186), (588, 119415), (630, 111454), (665, 105588), (684, 102655), (735, 95532), (798, 87990), (838, 83790), (855, 82124), (882, 79610), (931, 75420), (980, 71649), (1140, 61593), (1197, 58660), (1257, 55860), (1260, 55727), (1330, 52794), (1470, 47766), (1596, 43995), (1676, 41895), (1710, 41062), (1764, 39805), (1862, 37710), (1995, 35196), (2095, 33516), (2205, 31844), (2394, 29330), (2514, 27930), (2660, 26397), (2793, 25140), (2933, 23940), (2940, 23883), (3420, 20531), (3724, 18855), (3771, 18620), (3990, 17598), (4190, 16758), (4410, 15922), (4655, 15084), (4788, 14665), (5028, 13965), (5586, 12570), (5866, 11970), (5985, 11732), (6285, 11172), (7542, 9310), (7961, 8820), (7980, 8799), (8379, 8380)]