15651540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 48058920

約数和(自身を除く): 32407380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 977, 1068, 1335, 1602, 1780, 1954, 2670, 2931, 3204, 3908, 4005, 4885, 5340, 5862, 8010, 8793, 9770, 11724, 14655, 16020, 17586, 19540, 29310, 35172, 43965, 58620, 86953, 87930, 173906, 175860, 260859, 347812, 434765, 521718, 782577, 869530, 1043436, 1304295, 1565154, 1739060, 2608590, 3130308, 3912885, 5217180, 7825770, 15651540]

約数ペア:

[(1, 15651540), (2, 7825770), (3, 5217180), (4, 3912885), (5, 3130308), (6, 2608590), (9, 1739060), (10, 1565154), (12, 1304295), (15, 1043436), (18, 869530), (20, 782577), (30, 521718), (36, 434765), (45, 347812), (60, 260859), (89, 175860), (90, 173906), (178, 87930), (180, 86953), (267, 58620), (356, 43965), (445, 35172), (534, 29310), (801, 19540), (890, 17586), (977, 16020), (1068, 14655), (1335, 11724), (1602, 9770), (1780, 8793), (1954, 8010), (2670, 5862), (2931, 5340), (3204, 4885), (3908, 4005)]