161339640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:970

約数の個数: 256

約数和(自身を含む): 635904000

約数和(自身を除く): 474564360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 105, 110, 114, 120, 132, 133, 140, 152, 154, 165, 168, 190, 209, 210, 220, 228, 231, 264, 266, 280, 285, 308, 330, 380, 385, 399, 418, 420, 440, 456, 462, 532, 570, 616, 627, 660, 665, 760, 770, 798, 836, 840, 919, 924, 1045, 1064, 1140, 1155, 1254, 1320, 1330, 1463, 1540, 1596, 1672, 1838, 1848, 1995, 2090, 2280, 2310, 2508, 2660, 2757, 2926, 3080, 3135, 3192, 3676, 3990, 4180, 4389, 4595, 4620, 5016, 5320, 5514, 5852, 6270, 6433, 7315, 7352, 7980, 8360, 8778, 9190, 9240, 10109, 11028, 11704, 12540, 12866, 13785, 14630, 15960, 17461, 17556, 18380, 19299, 20218, 21945, 22056, 25080, 25732, 27570, 29260, 30327, 32165, 34922, 35112, 36760, 38598, 40436, 43890, 50545, 51464, 52383, 55140, 58520, 60654, 64330, 69844, 70763, 77196, 80872, 87305, 87780, 96495, 101090, 104766, 110280, 121308, 122227, 128660, 139688, 141526, 151635, 154392, 174610, 175560, 192071, 192990, 202180, 209532, 212289, 242616, 244454, 257320, 261915, 283052, 303270, 349220, 353815, 366681, 384142, 385980, 404360, 419064, 424578, 488908, 523830, 566104, 576213, 606540, 611135, 698440, 707630, 733362, 768284, 771960, 849156, 960355, 977816, 1047660, 1061445, 1152426, 1213080, 1222270, 1344497, 1415260, 1466724, 1536568, 1698312, 1833405, 1920710, 2095320, 2122890, 2304852, 2444540, 2688994, 2830520, 2881065, 2933448, 3666810, 3841420, 4033491, 4245780, 4609704, 4889080, 5377988, 5762130, 6722485, 7333620, 7682840, 8066982, 8491560, 10755976, 11524260, 13444970, 14667240, 16133964, 20167455, 23048520, 26889940, 32267928, 40334910, 53779880, 80669820, 161339640]

約数ペア:

[(1, 161339640), (2, 80669820), (3, 53779880), (4, 40334910), (5, 32267928), (6, 26889940), (7, 23048520), (8, 20167455), (10, 16133964), (11, 14667240), (12, 13444970), (14, 11524260), (15, 10755976), (19, 8491560), (20, 8066982), (21, 7682840), (22, 7333620), (24, 6722485), (28, 5762130), (30, 5377988), (33, 4889080), (35, 4609704), (38, 4245780), (40, 4033491), (42, 3841420), (44, 3666810), (55, 2933448), (56, 2881065), (57, 2830520), (60, 2688994), (66, 2444540), (70, 2304852), (76, 2122890), (77, 2095320), (84, 1920710), (88, 1833405), (95, 1698312), (105, 1536568), (110, 1466724), (114, 1415260), (120, 1344497), (132, 1222270), (133, 1213080), (140, 1152426), (152, 1061445), (154, 1047660), (165, 977816), (168, 960355), (190, 849156), (209, 771960), (210, 768284), (220, 733362), (228, 707630), (231, 698440), (264, 611135), (266, 606540), (280, 576213), (285, 566104), (308, 523830), (330, 488908), (380, 424578), (385, 419064), (399, 404360), (418, 385980), (420, 384142), (440, 366681), (456, 353815), (462, 349220), (532, 303270), (570, 283052), (616, 261915), (627, 257320), (660, 244454), (665, 242616), (760, 212289), (770, 209532), (798, 202180), (836, 192990), (840, 192071), (919, 175560), (924, 174610), (1045, 154392), (1064, 151635), (1140, 141526), (1155, 139688), (1254, 128660), (1320, 122227), (1330, 121308), (1463, 110280), (1540, 104766), (1596, 101090), (1672, 96495), (1838, 87780), (1848, 87305), (1995, 80872), (2090, 77196), (2280, 70763), (2310, 69844), (2508, 64330), (2660, 60654), (2757, 58520), (2926, 55140), (3080, 52383), (3135, 51464), (3192, 50545), (3676, 43890), (3990, 40436), (4180, 38598), (4389, 36760), (4595, 35112), (4620, 34922), (5016, 32165), (5320, 30327), (5514, 29260), (5852, 27570), (6270, 25732), (6433, 25080), (7315, 22056), (7352, 21945), (7980, 20218), (8360, 19299), (8778, 18380), (9190, 17556), (9240, 17461), (10109, 15960), (11028, 14630), (11704, 13785), (12540, 12866)]