1640304720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1042

約数の個数: 240

約数和(自身を含む): 5748263040

約数和(自身を除く): 4107958320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 67, 72, 74, 80, 90, 111, 120, 134, 144, 148, 180, 185, 201, 222, 240, 268, 296, 333, 335, 360, 370, 402, 444, 536, 555, 592, 603, 666, 670, 720, 740, 804, 888, 919, 1005, 1072, 1110, 1206, 1332, 1340, 1480, 1608, 1665, 1776, 1838, 2010, 2220, 2412, 2479, 2664, 2680, 2757, 2960, 3015, 3216, 3330, 3676, 4020, 4440, 4595, 4824, 4958, 5328, 5360, 5514, 6030, 6660, 7352, 7437, 8040, 8271, 8880, 9190, 9648, 9916, 11028, 12060, 12395, 13320, 13785, 14704, 14874, 16080, 16542, 18380, 19832, 22056, 22311, 24120, 24790, 26640, 27570, 29748, 33084, 34003, 36760, 37185, 39664, 41355, 44112, 44622, 48240, 49580, 55140, 59496, 61573, 66168, 68006, 73520, 74370, 82710, 89244, 99160, 102009, 110280, 111555, 118992, 123146, 132336, 136012, 148740, 165420, 170015, 178488, 184719, 198320, 204018, 220560, 223110, 246292, 272024, 297480, 306027, 307865, 330840, 340030, 356976, 369438, 408036, 446220, 492584, 510045, 544048, 554157, 594960, 612054, 615730, 661680, 680060, 738876, 816072, 892440, 923595, 985168, 1020090, 1108314, 1224108, 1231460, 1360120, 1477752, 1530135, 1632144, 1784880, 1847190, 2040180, 2216628, 2278201, 2448216, 2462920, 2720240, 2770785, 2955504, 3060270, 3694380, 4080360, 4433256, 4556402, 4896432, 4925840, 5541570, 6120540, 6834603, 7388760, 8160720, 8866512, 9112804, 11083140, 11391005, 12241080, 13669206, 14777520, 18225608, 20503809, 22166280, 22782010, 24482160, 27338412, 34173015, 36451216, 41007618, 44332560, 45564020, 54676824, 68346030, 82015236, 91128040, 102519045, 109353648, 136692060, 164030472, 182256080, 205038090, 273384120, 328060944, 410076180, 546768240, 820152360, 1640304720]

約数ペア:

[(1, 1640304720), (2, 820152360), (3, 546768240), (4, 410076180), (5, 328060944), (6, 273384120), (8, 205038090), (9, 182256080), (10, 164030472), (12, 136692060), (15, 109353648), (16, 102519045), (18, 91128040), (20, 82015236), (24, 68346030), (30, 54676824), (36, 45564020), (37, 44332560), (40, 41007618), (45, 36451216), (48, 34173015), (60, 27338412), (67, 24482160), (72, 22782010), (74, 22166280), (80, 20503809), (90, 18225608), (111, 14777520), (120, 13669206), (134, 12241080), (144, 11391005), (148, 11083140), (180, 9112804), (185, 8866512), (201, 8160720), (222, 7388760), (240, 6834603), (268, 6120540), (296, 5541570), (333, 4925840), (335, 4896432), (360, 4556402), (370, 4433256), (402, 4080360), (444, 3694380), (536, 3060270), (555, 2955504), (592, 2770785), (603, 2720240), (666, 2462920), (670, 2448216), (720, 2278201), (740, 2216628), (804, 2040180), (888, 1847190), (919, 1784880), (1005, 1632144), (1072, 1530135), (1110, 1477752), (1206, 1360120), (1332, 1231460), (1340, 1224108), (1480, 1108314), (1608, 1020090), (1665, 985168), (1776, 923595), (1838, 892440), (2010, 816072), (2220, 738876), (2412, 680060), (2479, 661680), (2664, 615730), (2680, 612054), (2757, 594960), (2960, 554157), (3015, 544048), (3216, 510045), (3330, 492584), (3676, 446220), (4020, 408036), (4440, 369438), (4595, 356976), (4824, 340030), (4958, 330840), (5328, 307865), (5360, 306027), (5514, 297480), (6030, 272024), (6660, 246292), (7352, 223110), (7437, 220560), (8040, 204018), (8271, 198320), (8880, 184719), (9190, 178488), (9648, 170015), (9916, 165420), (11028, 148740), (12060, 136012), (12395, 132336), (13320, 123146), (13785, 118992), (14704, 111555), (14874, 110280), (16080, 102009), (16542, 99160), (18380, 89244), (19832, 82710), (22056, 74370), (22311, 73520), (24120, 68006), (24790, 66168), (26640, 61573), (27570, 59496), (29748, 55140), (33084, 49580), (34003, 48240), (36760, 44622), (37185, 44112), (39664, 41355)]