1293519640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 192

約数和(自身を含む): 3562272000

約数和(自身を除く): 2268752360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 61, 62, 70, 98, 122, 124, 140, 155, 196, 217, 244, 245, 248, 280, 305, 310, 349, 392, 427, 434, 488, 490, 610, 620, 698, 854, 868, 980, 1085, 1220, 1240, 1396, 1519, 1708, 1736, 1745, 1891, 1960, 2135, 2170, 2440, 2443, 2792, 2989, 3038, 3416, 3490, 3782, 4270, 4340, 4886, 5978, 6076, 6980, 7564, 7595, 8540, 8680, 9455, 9772, 10819, 11956, 12152, 12215, 13237, 13960, 14945, 15128, 15190, 17080, 17101, 18910, 19544, 21289, 21638, 23912, 24430, 26474, 29890, 30380, 34202, 37820, 42578, 43276, 48860, 52948, 54095, 59780, 60760, 66185, 68404, 75640, 75733, 85156, 85505, 86552, 92659, 97720, 105896, 106445, 108190, 119560, 132370, 136808, 149023, 151466, 170312, 171010, 185318, 212890, 216380, 264740, 298046, 302932, 342020, 370636, 378665, 425780, 432760, 463295, 529480, 530131, 596092, 605864, 659959, 684040, 741272, 745115, 757330, 851560, 926590, 1043161, 1060262, 1192184, 1319918, 1490230, 1514660, 1853180, 2086322, 2120524, 2639836, 2650655, 2980460, 3029320, 3299795, 3706360, 4172644, 4241048, 4619713, 5215805, 5279672, 5301310, 5960920, 6599590, 8345288, 9239426, 10431610, 10602620, 13199180, 18478852, 20863220, 21205240, 23098565, 26398360, 32337991, 36957704, 41726440, 46197130, 64675982, 92394260, 129351964, 161689955, 184788520, 258703928, 323379910, 646759820, 1293519640]

約数ペア:

[(1, 1293519640), (2, 646759820), (4, 323379910), (5, 258703928), (7, 184788520), (8, 161689955), (10, 129351964), (14, 92394260), (20, 64675982), (28, 46197130), (31, 41726440), (35, 36957704), (40, 32337991), (49, 26398360), (56, 23098565), (61, 21205240), (62, 20863220), (70, 18478852), (98, 13199180), (122, 10602620), (124, 10431610), (140, 9239426), (155, 8345288), (196, 6599590), (217, 5960920), (244, 5301310), (245, 5279672), (248, 5215805), (280, 4619713), (305, 4241048), (310, 4172644), (349, 3706360), (392, 3299795), (427, 3029320), (434, 2980460), (488, 2650655), (490, 2639836), (610, 2120524), (620, 2086322), (698, 1853180), (854, 1514660), (868, 1490230), (980, 1319918), (1085, 1192184), (1220, 1060262), (1240, 1043161), (1396, 926590), (1519, 851560), (1708, 757330), (1736, 745115), (1745, 741272), (1891, 684040), (1960, 659959), (2135, 605864), (2170, 596092), (2440, 530131), (2443, 529480), (2792, 463295), (2989, 432760), (3038, 425780), (3416, 378665), (3490, 370636), (3782, 342020), (4270, 302932), (4340, 298046), (4886, 264740), (5978, 216380), (6076, 212890), (6980, 185318), (7564, 171010), (7595, 170312), (8540, 151466), (8680, 149023), (9455, 136808), (9772, 132370), (10819, 119560), (11956, 108190), (12152, 106445), (12215, 105896), (13237, 97720), (13960, 92659), (14945, 86552), (15128, 85505), (15190, 85156), (17080, 75733), (17101, 75640), (18910, 68404), (19544, 66185), (21289, 60760), (21638, 59780), (23912, 54095), (24430, 52948), (26474, 48860), (29890, 43276), (30380, 42578), (34202, 37820)]