128725380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:343

約数の個数: 216

約数和(自身を含む): 472635072

約数和(自身を除く): 343909692

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, 283, 285, 315, 342, 361, 380, 399, 420, 532, 566, 570, 630, 665, 684, 722, 798, 849, 855, 1083, 1132, 1140, 1197, 1260, 1330, 1415, 1444, 1596, 1698, 1710, 1805, 1981, 1995, 2166, 2394, 2527, 2547, 2660, 2830, 3249, 3396, 3420, 3610, 3962, 3990, 4245, 4332, 4788, 5054, 5094, 5377, 5415, 5660, 5943, 5985, 6498, 7220, 7581, 7924, 7980, 8490, 9905, 10108, 10188, 10754, 10830, 11886, 11970, 12635, 12735, 12996, 15162, 16131, 16245, 16980, 17829, 19810, 21508, 21660, 22743, 23772, 23940, 25270, 25470, 26885, 29715, 30324, 32262, 32490, 35658, 37639, 37905, 39620, 45486, 48393, 50540, 50940, 53770, 59430, 64524, 64980, 71316, 75278, 75810, 80655, 89145, 90972, 96786, 102163, 107540, 112917, 113715, 118860, 150556, 151620, 161310, 178290, 188195, 193572, 204326, 225834, 227430, 241965, 306489, 322620, 338751, 356580, 376390, 408652, 451668, 454860, 483930, 510815, 564585, 612978, 677502, 715141, 752780, 919467, 967860, 1021630, 1129170, 1225956, 1355004, 1430282, 1532445, 1693755, 1838934, 2043260, 2145423, 2258340, 2860564, 3064890, 3387510, 3575705, 3677868, 4290846, 4597335, 6129780, 6436269, 6775020, 7151410, 8581692, 9194670, 10727115, 12872538, 14302820, 18389340, 21454230, 25745076, 32181345, 42908460, 64362690, 128725380]

約数ペア:

[(1, 128725380), (2, 64362690), (3, 42908460), (4, 32181345), (5, 25745076), (6, 21454230), (7, 18389340), (9, 14302820), (10, 12872538), (12, 10727115), (14, 9194670), (15, 8581692), (18, 7151410), (19, 6775020), (20, 6436269), (21, 6129780), (28, 4597335), (30, 4290846), (35, 3677868), (36, 3575705), (38, 3387510), (42, 3064890), (45, 2860564), (57, 2258340), (60, 2145423), (63, 2043260), (70, 1838934), (76, 1693755), (84, 1532445), (90, 1430282), (95, 1355004), (105, 1225956), (114, 1129170), (126, 1021630), (133, 967860), (140, 919467), (171, 752780), (180, 715141), (190, 677502), (210, 612978), (228, 564585), (252, 510815), (266, 483930), (283, 454860), (285, 451668), (315, 408652), (342, 376390), (361, 356580), (380, 338751), (399, 322620), (420, 306489), (532, 241965), (566, 227430), (570, 225834), (630, 204326), (665, 193572), (684, 188195), (722, 178290), (798, 161310), (849, 151620), (855, 150556), (1083, 118860), (1132, 113715), (1140, 112917), (1197, 107540), (1260, 102163), (1330, 96786), (1415, 90972), (1444, 89145), (1596, 80655), (1698, 75810), (1710, 75278), (1805, 71316), (1981, 64980), (1995, 64524), (2166, 59430), (2394, 53770), (2527, 50940), (2547, 50540), (2660, 48393), (2830, 45486), (3249, 39620), (3396, 37905), (3420, 37639), (3610, 35658), (3962, 32490), (3990, 32262), (4245, 30324), (4332, 29715), (4788, 26885), (5054, 25470), (5094, 25270), (5377, 23940), (5415, 23772), (5660, 22743), (5943, 21660), (5985, 21508), (6498, 19810), (7220, 17829), (7581, 16980), (7924, 16245), (7980, 16131), (8490, 15162), (9905, 12996), (10108, 12735), (10188, 12635), (10754, 11970), (10830, 11886)]