649305540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8951}}^1$

素因数の和:9010

約数の個数: 144

約数和(自身を含む): 2189730816

約数和(自身を除く): 1540425276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4030, 4836, 5580, 6045, 7254, 8060, 8951, 12090, 14508, 17902, 18135, 24180, 26853, 35804, 36270, 44755, 53706, 72540, 80559, 89510, 107412, 116363, 134265, 161118, 179020, 232726, 268530, 277481, 322236, 349089, 402795, 465452, 537060, 554962, 581815, 698178, 805590, 832443, 1047267, 1109924, 1163630, 1387405, 1396356, 1611180, 1664886, 1745445, 2094534, 2327260, 2497329, 2774810, 3329772, 3490890, 3607253, 4162215, 4189068, 4994658, 5236335, 5549620, 6981780, 7214506, 8324430, 9989316, 10472670, 10821759, 12486645, 14429012, 16648860, 18036265, 20945340, 21643518, 24973290, 32465277, 36072530, 43287036, 49946580, 54108795, 64930554, 72145060, 108217590, 129861108, 162326385, 216435180, 324652770, 649305540]

約数ペア:

[(1, 649305540), (2, 324652770), (3, 216435180), (4, 162326385), (5, 129861108), (6, 108217590), (9, 72145060), (10, 64930554), (12, 54108795), (13, 49946580), (15, 43287036), (18, 36072530), (20, 32465277), (26, 24973290), (30, 21643518), (31, 20945340), (36, 18036265), (39, 16648860), (45, 14429012), (52, 12486645), (60, 10821759), (62, 10472670), (65, 9989316), (78, 8324430), (90, 7214506), (93, 6981780), (117, 5549620), (124, 5236335), (130, 4994658), (155, 4189068), (156, 4162215), (180, 3607253), (186, 3490890), (195, 3329772), (234, 2774810), (260, 2497329), (279, 2327260), (310, 2094534), (372, 1745445), (390, 1664886), (403, 1611180), (465, 1396356), (468, 1387405), (558, 1163630), (585, 1109924), (620, 1047267), (780, 832443), (806, 805590), (930, 698178), (1116, 581815), (1170, 554962), (1209, 537060), (1395, 465452), (1612, 402795), (1860, 349089), (2015, 322236), (2340, 277481), (2418, 268530), (2790, 232726), (3627, 179020), (4030, 161118), (4836, 134265), (5580, 116363), (6045, 107412), (7254, 89510), (8060, 80559), (8951, 72540), (12090, 53706), (14508, 44755), (17902, 36270), (18135, 35804), (24180, 26853)]