155681820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:977

約数の個数: 216

約数和(自身を含む): 578869200

約数和(自身を除く): 423187380

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, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 929, 931, 980, 1140, 1197, 1260, 1330, 1470, 1596, 1710, 1764, 1858, 1862, 1995, 2205, 2394, 2660, 2787, 2793, 2940, 3420, 3716, 3724, 3990, 4410, 4645, 4655, 4788, 5574, 5586, 5985, 6503, 7980, 8361, 8379, 8820, 9290, 9310, 11148, 11172, 11970, 13006, 13935, 13965, 16722, 16758, 17651, 18580, 18620, 19509, 23940, 26012, 27870, 27930, 32515, 33444, 33516, 35302, 39018, 41805, 41895, 45521, 52953, 55740, 55860, 58527, 65030, 70604, 78036, 83610, 83790, 88255, 91042, 97545, 105906, 117054, 123557, 130060, 136563, 158859, 167220, 167580, 176510, 182084, 195090, 211812, 227605, 234108, 247114, 264765, 273126, 292635, 317718, 353020, 370671, 390180, 409689, 455210, 494228, 529530, 546252, 585270, 617785, 635436, 682815, 741342, 794295, 819378, 864899, 910420, 1059060, 1112013, 1170540, 1235570, 1365630, 1482684, 1588590, 1638756, 1729798, 1853355, 2048445, 2224026, 2471140, 2594697, 2731260, 3177180, 3459596, 3706710, 4096890, 4324495, 4448052, 5189394, 5560065, 7413420, 7784091, 8193780, 8648990, 10378788, 11120130, 12973485, 15568182, 17297980, 22240260, 25946970, 31136364, 38920455, 51893940, 77840910, 155681820]

約数ペア:

[(1, 155681820), (2, 77840910), (3, 51893940), (4, 38920455), (5, 31136364), (6, 25946970), (7, 22240260), (9, 17297980), (10, 15568182), (12, 12973485), (14, 11120130), (15, 10378788), (18, 8648990), (19, 8193780), (20, 7784091), (21, 7413420), (28, 5560065), (30, 5189394), (35, 4448052), (36, 4324495), (38, 4096890), (42, 3706710), (45, 3459596), (49, 3177180), (57, 2731260), (60, 2594697), (63, 2471140), (70, 2224026), (76, 2048445), (84, 1853355), (90, 1729798), (95, 1638756), (98, 1588590), (105, 1482684), (114, 1365630), (126, 1235570), (133, 1170540), (140, 1112013), (147, 1059060), (171, 910420), (180, 864899), (190, 819378), (196, 794295), (210, 741342), (228, 682815), (245, 635436), (252, 617785), (266, 585270), (285, 546252), (294, 529530), (315, 494228), (342, 455210), (380, 409689), (399, 390180), (420, 370671), (441, 353020), (490, 317718), (532, 292635), (570, 273126), (588, 264765), (630, 247114), (665, 234108), (684, 227605), (735, 211812), (798, 195090), (855, 182084), (882, 176510), (929, 167580), (931, 167220), (980, 158859), (1140, 136563), (1197, 130060), (1260, 123557), (1330, 117054), (1470, 105906), (1596, 97545), (1710, 91042), (1764, 88255), (1858, 83790), (1862, 83610), (1995, 78036), (2205, 70604), (2394, 65030), (2660, 58527), (2787, 55860), (2793, 55740), (2940, 52953), (3420, 45521), (3716, 41895), (3724, 41805), (3990, 39018), (4410, 35302), (4645, 33516), (4655, 33444), (4788, 32515), (5574, 27930), (5586, 27870), (5985, 26012), (6503, 23940), (7980, 19509), (8361, 18620), (8379, 18580), (8820, 17651), (9290, 16758), (9310, 16722), (11148, 13965), (11172, 13935), (11970, 13006)]