640053960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58613}}^1$

素因数の和:58647

約数の個数: 128

約数和(自身を含む): 2363316480

約数和(自身を除く): 1723262520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 58613, 117226, 175839, 234452, 293065, 351678, 410291, 468904, 586130, 703356, 761969, 820582, 879195, 1172260, 1230873, 1406712, 1523938, 1641164, 1758390, 2051455, 2285907, 2344520, 2461746, 3047876, 3282328, 3516780, 3809845, 4102910, 4571814, 4923492, 5333783, 6095752, 6154365, 7033560, 7619690, 8205820, 9143628, 9846984, 10667566, 11429535, 12308730, 15239380, 16001349, 16411640, 18287256, 21335132, 22859070, 24617460, 26668915, 30478760, 32002698, 42670264, 45718140, 49234920, 53337830, 64005396, 80006745, 91436280, 106675660, 128010792, 160013490, 213351320, 320026980, 640053960]

約数ペア:

[(1, 640053960), (2, 320026980), (3, 213351320), (4, 160013490), (5, 128010792), (6, 106675660), (7, 91436280), (8, 80006745), (10, 64005396), (12, 53337830), (13, 49234920), (14, 45718140), (15, 42670264), (20, 32002698), (21, 30478760), (24, 26668915), (26, 24617460), (28, 22859070), (30, 21335132), (35, 18287256), (39, 16411640), (40, 16001349), (42, 15239380), (52, 12308730), (56, 11429535), (60, 10667566), (65, 9846984), (70, 9143628), (78, 8205820), (84, 7619690), (91, 7033560), (104, 6154365), (105, 6095752), (120, 5333783), (130, 4923492), (140, 4571814), (156, 4102910), (168, 3809845), (182, 3516780), (195, 3282328), (210, 3047876), (260, 2461746), (273, 2344520), (280, 2285907), (312, 2051455), (364, 1758390), (390, 1641164), (420, 1523938), (455, 1406712), (520, 1230873), (546, 1172260), (728, 879195), (780, 820582), (840, 761969), (910, 703356), (1092, 586130), (1365, 468904), (1560, 410291), (1820, 351678), (2184, 293065), (2730, 234452), (3640, 175839), (5460, 117226), (10920, 58613)]