39907980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1708

約数の個数: 144

約数和(自身を含む): 145716480

約数和(自身を除く): 105808500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1667, 1710, 1995, 2394, 2660, 3334, 3420, 3990, 4788, 5001, 5985, 6668, 7980, 8335, 10002, 11669, 11970, 15003, 16670, 20004, 23338, 23940, 25005, 30006, 31673, 33340, 35007, 46676, 50010, 58345, 60012, 63346, 70014, 75015, 95019, 100020, 105021, 116690, 126692, 140028, 150030, 158365, 175035, 190038, 210042, 221711, 233380, 285057, 300060, 316730, 350070, 380076, 420084, 443422, 475095, 525105, 570114, 633460, 665133, 700140, 886844, 950190, 1050210, 1108555, 1140228, 1330266, 1425285, 1900380, 1995399, 2100420, 2217110, 2660532, 2850570, 3325665, 3990798, 4434220, 5701140, 6651330, 7981596, 9976995, 13302660, 19953990, 39907980]

約数ペア:

[(1, 39907980), (2, 19953990), (3, 13302660), (4, 9976995), (5, 7981596), (6, 6651330), (7, 5701140), (9, 4434220), (10, 3990798), (12, 3325665), (14, 2850570), (15, 2660532), (18, 2217110), (19, 2100420), (20, 1995399), (21, 1900380), (28, 1425285), (30, 1330266), (35, 1140228), (36, 1108555), (38, 1050210), (42, 950190), (45, 886844), (57, 700140), (60, 665133), (63, 633460), (70, 570114), (76, 525105), (84, 475095), (90, 443422), (95, 420084), (105, 380076), (114, 350070), (126, 316730), (133, 300060), (140, 285057), (171, 233380), (180, 221711), (190, 210042), (210, 190038), (228, 175035), (252, 158365), (266, 150030), (285, 140028), (315, 126692), (342, 116690), (380, 105021), (399, 100020), (420, 95019), (532, 75015), (570, 70014), (630, 63346), (665, 60012), (684, 58345), (798, 50010), (855, 46676), (1140, 35007), (1197, 33340), (1260, 31673), (1330, 30006), (1596, 25005), (1667, 23940), (1710, 23338), (1995, 20004), (2394, 16670), (2660, 15003), (3334, 11970), (3420, 11669), (3990, 10002), (4788, 8335), (5001, 7980), (5985, 6668)]