2981338920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{394357}}^1$

素因数の和:394384

約数の個数: 128

約数和(自身を含む): 11357510400

約数和(自身を除く): 8376171480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 394357, 788714, 1183071, 1577428, 1971785, 2366142, 2760499, 3154856, 3549213, 3943570, 4732284, 5520998, 5915355, 7098426, 7887140, 8281497, 9464568, 10647639, 11041996, 11830710, 13802495, 14196852, 15774280, 16562994, 17746065, 21295278, 22083992, 23661420, 24844491, 27604990, 28393704, 33125988, 35492130, 41407485, 42590556, 47322840, 49688982, 53238195, 55209980, 66251976, 70984260, 74533473, 82814970, 85181112, 99377964, 106476390, 110419960, 124222455, 141968520, 149066946, 165629940, 198755928, 212952780, 248444910, 298133892, 331259880, 372667365, 425905560, 496889820, 596267784, 745334730, 993779640, 1490669460, 2981338920]

約数ペア:

[(1, 2981338920), (2, 1490669460), (3, 993779640), (4, 745334730), (5, 596267784), (6, 496889820), (7, 425905560), (8, 372667365), (9, 331259880), (10, 298133892), (12, 248444910), (14, 212952780), (15, 198755928), (18, 165629940), (20, 149066946), (21, 141968520), (24, 124222455), (27, 110419960), (28, 106476390), (30, 99377964), (35, 85181112), (36, 82814970), (40, 74533473), (42, 70984260), (45, 66251976), (54, 55209980), (56, 53238195), (60, 49688982), (63, 47322840), (70, 42590556), (72, 41407485), (84, 35492130), (90, 33125988), (105, 28393704), (108, 27604990), (120, 24844491), (126, 23661420), (135, 22083992), (140, 21295278), (168, 17746065), (180, 16562994), (189, 15774280), (210, 14196852), (216, 13802495), (252, 11830710), (270, 11041996), (280, 10647639), (315, 9464568), (360, 8281497), (378, 7887140), (420, 7098426), (504, 5915355), (540, 5520998), (630, 4732284), (756, 3943570), (840, 3549213), (945, 3154856), (1080, 2760499), (1260, 2366142), (1512, 1971785), (1890, 1577428), (2520, 1183071), (3780, 788714), (7560, 394357)]