161959140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{743}}^1$

素因数の和:938

約数の個数: 144

約数和(自身を含む): 565463808

約数和(自身を除く): 403504668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 173, 180, 210, 252, 315, 346, 420, 519, 630, 692, 743, 865, 1038, 1211, 1260, 1486, 1557, 1730, 2076, 2229, 2422, 2595, 2972, 3114, 3460, 3633, 3715, 4458, 4844, 5190, 5201, 6055, 6228, 6687, 7266, 7430, 7785, 8916, 10380, 10402, 10899, 11145, 12110, 13374, 14532, 14860, 15570, 15603, 18165, 20804, 21798, 22290, 24220, 26005, 26748, 31140, 31206, 33435, 36330, 43596, 44580, 46809, 52010, 54495, 62412, 66870, 72660, 78015, 93618, 104020, 108990, 128539, 133740, 156030, 187236, 217980, 234045, 257078, 312060, 385617, 468090, 514156, 642695, 771234, 899773, 936180, 1156851, 1285390, 1542468, 1799546, 1928085, 2313702, 2570780, 2699319, 3599092, 3856170, 4498865, 4627404, 5398638, 5784255, 7712340, 8097957, 8997730, 10797276, 11568510, 13496595, 16195914, 17995460, 23137020, 26993190, 32391828, 40489785, 53986380, 80979570, 161959140]

約数ペア:

[(1, 161959140), (2, 80979570), (3, 53986380), (4, 40489785), (5, 32391828), (6, 26993190), (7, 23137020), (9, 17995460), (10, 16195914), (12, 13496595), (14, 11568510), (15, 10797276), (18, 8997730), (20, 8097957), (21, 7712340), (28, 5784255), (30, 5398638), (35, 4627404), (36, 4498865), (42, 3856170), (45, 3599092), (60, 2699319), (63, 2570780), (70, 2313702), (84, 1928085), (90, 1799546), (105, 1542468), (126, 1285390), (140, 1156851), (173, 936180), (180, 899773), (210, 771234), (252, 642695), (315, 514156), (346, 468090), (420, 385617), (519, 312060), (630, 257078), (692, 234045), (743, 217980), (865, 187236), (1038, 156030), (1211, 133740), (1260, 128539), (1486, 108990), (1557, 104020), (1730, 93618), (2076, 78015), (2229, 72660), (2422, 66870), (2595, 62412), (2972, 54495), (3114, 52010), (3460, 46809), (3633, 44580), (3715, 43596), (4458, 36330), (4844, 33435), (5190, 31206), (5201, 31140), (6055, 26748), (6228, 26005), (6687, 24220), (7266, 22290), (7430, 21798), (7785, 20804), (8916, 18165), (10380, 15603), (10402, 15570), (10899, 14860), (11145, 14532), (12110, 13374)]