231290040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1663}}^1$

素因数の和:1757

約数の個数: 128

約数和(自身を含む): 742809600

約数和(自身を除く): 511519560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 61, 76, 95, 114, 120, 122, 152, 183, 190, 228, 244, 285, 305, 366, 380, 456, 488, 570, 610, 732, 760, 915, 1140, 1159, 1220, 1464, 1663, 1830, 2280, 2318, 2440, 3326, 3477, 3660, 4636, 4989, 5795, 6652, 6954, 7320, 8315, 9272, 9978, 11590, 13304, 13908, 16630, 17385, 19956, 23180, 24945, 27816, 31597, 33260, 34770, 39912, 46360, 49890, 63194, 66520, 69540, 94791, 99780, 101443, 126388, 139080, 157985, 189582, 199560, 202886, 252776, 304329, 315970, 379164, 405772, 473955, 507215, 608658, 631940, 758328, 811544, 947910, 1014430, 1217316, 1263880, 1521645, 1895820, 1927417, 2028860, 2434632, 3043290, 3791640, 3854834, 4057720, 5782251, 6086580, 7709668, 9637085, 11564502, 12173160, 15419336, 19274170, 23129004, 28911255, 38548340, 46258008, 57822510, 77096680, 115645020, 231290040]

約数ペア:

[(1, 231290040), (2, 115645020), (3, 77096680), (4, 57822510), (5, 46258008), (6, 38548340), (8, 28911255), (10, 23129004), (12, 19274170), (15, 15419336), (19, 12173160), (20, 11564502), (24, 9637085), (30, 7709668), (38, 6086580), (40, 5782251), (57, 4057720), (60, 3854834), (61, 3791640), (76, 3043290), (95, 2434632), (114, 2028860), (120, 1927417), (122, 1895820), (152, 1521645), (183, 1263880), (190, 1217316), (228, 1014430), (244, 947910), (285, 811544), (305, 758328), (366, 631940), (380, 608658), (456, 507215), (488, 473955), (570, 405772), (610, 379164), (732, 315970), (760, 304329), (915, 252776), (1140, 202886), (1159, 199560), (1220, 189582), (1464, 157985), (1663, 139080), (1830, 126388), (2280, 101443), (2318, 99780), (2440, 94791), (3326, 69540), (3477, 66520), (3660, 63194), (4636, 49890), (4989, 46360), (5795, 39912), (6652, 34770), (6954, 33260), (7320, 31597), (8315, 27816), (9272, 24945), (9978, 23180), (11590, 19956), (13304, 17385), (13908, 16630)]