1620840780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76963}}^1$

素因数の和:76997

約数の個数: 120

約数和(自身を含む): 5475834672

約数和(自身を除く): 3854993892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 4212, 5265, 7020, 10530, 21060, 76963, 153926, 230889, 307852, 384815, 461778, 692667, 769630, 923556, 1000519, 1154445, 1385334, 1539260, 2001038, 2078001, 2308890, 2770668, 3001557, 3463335, 4002076, 4156002, 4617780, 5002595, 6003114, 6234003, 6926670, 8312004, 9004671, 10005190, 10390005, 12006228, 12468006, 13853340, 15007785, 18009342, 20010380, 20780010, 24936012, 27014013, 30015570, 31170015, 36018684, 41560020, 45023355, 54028026, 60031140, 62340030, 81042039, 90046710, 108056052, 124680060, 135070065, 162084078, 180093420, 270140130, 324168156, 405210195, 540280260, 810420390, 1620840780]

約数ペア:

[(1, 1620840780), (2, 810420390), (3, 540280260), (4, 405210195), (5, 324168156), (6, 270140130), (9, 180093420), (10, 162084078), (12, 135070065), (13, 124680060), (15, 108056052), (18, 90046710), (20, 81042039), (26, 62340030), (27, 60031140), (30, 54028026), (36, 45023355), (39, 41560020), (45, 36018684), (52, 31170015), (54, 30015570), (60, 27014013), (65, 24936012), (78, 20780010), (81, 20010380), (90, 18009342), (108, 15007785), (117, 13853340), (130, 12468006), (135, 12006228), (156, 10390005), (162, 10005190), (180, 9004671), (195, 8312004), (234, 6926670), (260, 6234003), (270, 6003114), (324, 5002595), (351, 4617780), (390, 4156002), (405, 4002076), (468, 3463335), (540, 3001557), (585, 2770668), (702, 2308890), (780, 2078001), (810, 2001038), (1053, 1539260), (1170, 1385334), (1404, 1154445), (1620, 1000519), (1755, 923556), (2106, 769630), (2340, 692667), (3510, 461778), (4212, 384815), (5265, 307852), (7020, 230889), (10530, 153926), (21060, 76963)]